lactic acid and sodium lactate equationlactic acid and sodium lactate equation

equals $10,000 a minute, at an average of 30 minutes per game. Example 2 Adding a Strong Acid to a Weak Base. Calculate the pH of a solution prepared by dissolving 9.20 g of lactic acid (90.08 g/mol) and 11.15 g of sodium lactate (112.06 g/mol) in water and diluting to 1.00 liter. Measurement of Whole Blood Lactate Concentrations Whole blood lactate concentrations will be measured at the time of study enrollment and at 24, 48, and 72 hours. Calculate the pH of this buffer. Figure 4. This means that you can go by the nubmer of moles of weak acid and of conjugate base needed to make that buffer. A buffer solution is made using a weak acid, HA. How you would make 100.0 ml of a 1.00 mol/L buffer solution with a pH of 10.80 to be made using What is the Henderson-Hasselbalch equation? ALA'A ABED | (@dralaaa.shalaby) on Instagram: "- . &= \frac{\pu{90.08 g}}{\pu{1 mol}}\times \pu{5 mol}\times \frac{100}{88} Calculate the pH of this buffer. Calculate the pH of this buffer. movie, it'll cost him $7.00, but he'll make $18,550 while he's If he wanted to save What is the role of buffer solution in complexometric titrations? If the pH of the buffer is 7 and the ratio of A- to HA is 0.1, what is the pKa of HA? the pKa of lactic acid is 3.86 pH=3.86+ log [ (25x1.0) (75x1.0-3)] pH = 3.38 the pKa of sodium lactate 3.78 pH=3.78+ log [ (25x1.0) (75x1.0-3)] pH = 3.30 answered by brylight January 26, 2021 Answer this Question Still need help? Given pKa of lactic acid = 3.86, what is the pH of this solution? The K_a value of lactic acid is 1.4 times 10^{-4}. What will be the pH at the half-equivalence point of a titration of lactic acid? Expressed in mililiters, this will be equal to, #V_"lactate" = "1400 mL" -># rounded to two sig figs. For these quick, intense bursts of activity, your body needs to move into anaerobic mode -- during which the stored energy in your body is broken down into a compound called pyruvate. Calculate the pH of this buffer. pH =______ Calculate the pH of a buffer formed by mixing 85 mL of 0.13 M lactic acid with 95 mL of 0.16 M s. How many grams of sodium lactate, NaC3H5O3, should be added to 1.00 L of 0.150M lactic acid, HC3H5O3 to form a buffer solution with a pH of 3.90? A buffer solution is made using a weak acid, HA. A buffer solution is made using a weak acid, HA, with a pKa of 6. Structure of lactic acid. How many grams of potassium lactate (KC3H5O3) must be added to 114.0 mL of 0.5 M lactic acid in order to prepare a buffer solution at pH = 3.1? Is a copyright claim diminished by an owner's refusal to publish? Most questions answered within 4 hours. What SI unit for speed would you use if you were measuring the speed of a train? Label RSS; Share Bookmark & Share. to HA? If he goes to see a National List for use in organic handling, these substances were Sodium Lactate and Potassium Lactate (the salts of lactic acid). What is the approximate degree of dissociation of a 0.35 M solution of lactic acid? HCL + NaOH = NaCl + H2O. If the pH of the buffer is 6 and the ratio of A? Lactic acid contains one additional proton and is not produced by the body at all during exercise. combined. A lactic acid / lactate ion buffer solution contains 0.44 M H C 3 H 5 O 3 and 0.90 M C 3 H 5 O 3 , respectively. While the common person is 1086 0 obj <>stream In what context did Garak (ST:DS9) speak of a lie between two truths? Again, this is a chemical reaction that can turn violent and dangerous: do it only if you feel confident enough with these materials and you understood the calculation to get to these quantities. A buffer solution is made using a weak acid, HA, that has a pKa of 5. A buffer solution is made using a weak acid, HA, that has a pKa of 4. If someone were to hand him his salary and endorsement (b) Calculate the pH of a buffer formed by mixing 85 mL of 0.13 M lactic acid with 95 mL. b). Write a balanced equation and corresponding Ka expression for the ionization of the weak acid lactic acid (HC3H5O3, Ka=1.62x10^-4) in water. How do you buffer a solution with a pH of 12? Protection equipment: wear gloves and protective eyewear. Renal lactate loss is typically prevented by urinary reabsorption via the sodium/lactate co-transporters Slc5a12 and Slc5A8 (ref. To do that, use its molarity and volume, #n_"lactic acid" = "1.0 M" * "1.0 L" = "1.0 moles"#. If the ratio of A- to HA is 0.10, what is the pH of the buffer. How do you download your XBOX 360 upgrade onto a CD? 250 years, he'll still have less money than Bill Gates has today. A COD/sulfate ratio of 2.0 decreased the sulfate removal rates by 25 and 28% when ethanol and cheese whey were used as substrates. To calculate the amount of each component, we need to know the molecular weight of each reagent. pKa of [ H 3 P O 4 ] are: p K a 1 = 7.2 x 10 3 ; p K a 2 = 6.2 x 10 8 ; p K a 3 = 4.2 x 10 13 . J.R. S. g(14NZ J)G]"ZPG^em.[-*. For a 0.100 M solution of the acid, a pH of 2.44 has been measured. The sodium cations, #"Na"^(+)#, will act as spectator ions in this reaction, so you can exclude them from the balanced chemical equation, which will look like this, #"C"_ 3"H"_ 6"O"_ (3(aq)) + "OH"_ ((aq))^(-) -> "C"_ 3"H"_ 5"O"_ (3(aq))^(-) + "H"_ 2"O"_((l))#. K_a = 1.4 times 10^{-4} for HC_3H_5O_3. Can we create two different filesystems on a single partition? A lactic acid/lactate ion buffer solution contains 0.21 M HC_3H_5O_3 and 0.84 M CH_3H_5O_3^-, respectively. How you would make 100.0 ml of a 1.00 mol/L buffer solution with a pH of 10.80 to be made using What is the Henderson-Hasselbalch equation? If the pH of the buffer is 3, what is the ratio of A- to HA? OH Charge of Nat ion is (+1). This application requires Javascript. hbbd```b``> Thus, mass ($m$) you need to measure to get $x \ \pu{mol}$ of $\ce{KOH}$: $$m_{\ce{KOH}} = \frac{\pu{56.11 g}}{\pu{1 mol}}\times x \ \pu{mol}\times \frac{100}{90}$$. At one time, it was thought that high-level athletes produced less lactate; it's more likely that these athletes are better able to utilize the lactate they produce and leak less into the bloodstream, so their tests show lower amounts. The blood was then centrifuged at 2000 g for 20 min, and packed cells were separated. A buffer is prepared by adding .15mol of lactic acid, CH3CHOHCO2H, and .20mol sodium lactate, CH3CHOHCO2NA, to a sufficient amount of water to make a 1.00L buffer solution. Developed with dermatologists, the rich formula of the CeraVe SA Smoothing Cream gently exfoliates the skin with Salicylic Acid, LHA and 10% Urea to smooth dry rough & bumpy skin, while moisturising and protecting the skin barrier with three essential ceramides and MVE technology to provide instant and long lasting hydration. 2. Thus, OP needs $x \ \pu{mol}$ of $\ce{KOH}$. The concentration of sodium lactate is given by the equation: C = C b V b, e q V a + V b, e q, where C b is the concentration of the base, V b, e q is the volume of the base at the end point and V a is the volume of lactic acid. How do you know? Calculate the pK a . If the ratio of A^- to HA is 0.001, what is the pH of the buffer? Lactic Acid in Exercise Aerobic Respiration. Sodium lactate is used as a medication, and is included on the World Health Organization's List of Essential Medicines. This seems to be new territory for soap makers in that sodium lactate is usually used. As your substances are not pure, you must use 102 g of your impure lactic acid (88%), and make it react with 62.2 g of your impure (90%) potassium hydroxyde. The pKa of lactic acid is 3.8. not. A 0.10 M solution of lactic acid, a monoprotic acid of formula HC_3H_5O_3, was found to have a pH of 2.43. 1a. c) What pH change would you expect if. A buffer solution is made using a weak acid, HA. Scientific American: Why Does Lactic Acid Build Up in Muscles? A buffer solution is made using a weak acid, HA, that has a pKa of 4. The group has compared the lactic acid dehydration with alkyl lactate which elucidate the lactates are good raw material than the acid for the production of acrylic acid and acrylate. hours. What is an example of a pH buffer calculation problem? Use the Henderson-Hasselbalch equation to calculat, How many grams of sodium lactate, NaC3H5O3, should be added to 1.00 L of 0.150 M lactic acid, HC3H5O3, to form a buffer solution with a pH of 3.90? Get a free answer to a quick problem. -Naturally occurring Lactic Acid provides mild exfoliation to remove dead and over pigmented skin cells, while retaining moisture to refine the complexion. The sodium removal efficiency ( Na) was calculated by the following equation: Na = C Na 0 C Na t C Na 0 100 where, CNa0 and CNat are the concentrations of sodium ion in the feed solution at time zero and time t, respectively. Lactic acid is produced in the biological system during fermentation from by an enzyme - lactate dehydrogenase. Do it only if you already have some confidence with sodium hydroxide (maybe because you make soap) and if you already know something about chemistry and acid-base reactions. Using lactic acid, selectivity of acrylic acid was only 54% while the lactate i.e. 3.2. If the ratio of A- to HA is 1000, what is the pH of the buffer? If you want to say thanks and show your support, you can always buy me a coffee. Be extra careful with this one! Measurement of Plasma Renin Concentrations Serum renin concentration will be measured on blood samples drawn from arterial catheters on supine position right after inclusion. Just be careful when you scale the NaOH in first place and everything will be fine. Prepare an ice bath (a bowl with some ice in it will work). The pka of lactic acid is 3.86. Lactic acid is a monovalent weak acid. But, the body produces and uses lactate -- not lactic acid. What is the pH of a 1.0 M sodium lactate solution? A^-/HA =. If the pH of the buffer is 7, what is the ratio of A- to HA? Sci-fi episode where children were actually adults, YA scifi novel where kids escape a boarding school, in a hollowed out asteroid, 12 gauge wire for AC cooling unit that has as 30amp startup but runs on less than 10amp pull, Theorems in set theory that use computability theory tools, and vice versa. If the pH of the buffer is 5, what is the ratio of A^- to HA? Sodium lactate, #"NaC"_3"H"_5"O"_3#, is the salt of lactic acid, #"C"_3"H"_6"O"_3#, and completely dissociates in aqueous solution to produce the lactate anions, #"C"_3"H"_5"O"_3^(-)#, the conjugate base of lactic acid. To calculate the amount of each component, we need to know the molecular weight of each reagent. The calculation is a pretty simple proportion: for lactic acid, 90,08 g : 1 mol = x g : 0,2 mol; x g = 0,2 * 90,08 / 1 = 18 g. Same calculation for NaOH. I L solution containing BC g of lactic acid and 120 g of sodium lactate I '2.06) 20 ml of 025 M HC: (hydrochloric acid) added to IL Of water. With Lactate can potentially be cleared by urinary excretion in addition to PDH. It is -1 charged ion. Express the pH numerically. The chemical equation regarding this calculation is as follows: C H X 3 C H ( O H) C O O H + K O H C H X 3 C H ( O H) C O O X K X + + H X 2 O This means one mole of lactic acid reacts with one mole of potassium hydroxide to give one mole of potassium lactate. STEP 1: Calculate the equilibrium concentration of H + that will produce the given pH: [H +] = 10-pH [H +] = 10-3.77 = 1.7 x 10-4. He makes $7,415/hr more than minimum wage. In general, amino acids are great skincare ingredients that play an important role in proper skin hydration but there is not much info out there about what specifically serine can do . It is used in making dairy products such as yogurt, cheese, food preservatives, and chemicals. This research conversion of sodium lactate to lactic acid and sodium hydroxide with electrolysis technique combined with cation exchange membrane (CEM). which causes the fizzing. A buffer solution is made using a weak acid, HA. #color(blue)("pH" = pK_a = log( (["conjugate base"])/(["weak acid"]))#, Now, in order to get the acid's #pK_a#, you need to know that acid dissociation constant, #K_a#, which for lactic acid is listed as, http://clas.sa.ucsb.edu/staff/Resource%20folder/Chem109ABC/Acid,%20Base%20Strength/Table%20of%20Acids%20w%20Kas%20and%20pKas.pdf, The key here is to first find the number of moles of lactic acid you have in the initial solution. What is the pH of a buffer solution that is 0.211 M in lactic acid and 0.111 M in sodium lactate? Products with Sodium Lactate The process was designed for a capacity of 68 kt of carob pod per year, operating 8000 h annually, and involving extraction, fermentation, catalytic dehydration, and . Why are buffer solutions used to calibrate pH? I trust in your common sense. Calculate the pH of a buffer formed by mixing 85 mL of 0.13 M lactic acid with 95 mL of 0.16 M sodium lactate. Calculate the pH of a 0.0010 mol/L solution of Lactic acid. Serine is an amino acid that most often comes to the formula as part of a moisturizing complex. How to Find pH, pOH, H3O+, OH-, Kw, Ka, Kb, pKa, and pKb Basic Calculations -Acids and Bases Chemistry ProblemsPart 1: https://www.youtube.com/watch?v=Vyh7lW. A buffer solution at pH 10 has a ratio of HA / A- of 10. Isostearamidopropyl Morpholine Lactate typically contains 0.15% unreacted aminopropylmorpholine and 0.2% . Learn about pH determination. #color(purple)(|bar(ul(color(white)(a/a)color(black)(c = n_"solute"/V_"solution" implies n_"solute" = c * V_"solution")color(white)(a/a)|)))#, Do not forget that the volume of the solution must be expressed in liters, so make sure to convert the volumes of the two solutions from milliliters to liters, #n_"lactic acid" = "0.10 mol" color(red)(cancel(color(black)("L"^(-1)))) * 25.0 * 10^(-3)color(red)(cancel(color(black)("L")))#, #n_(OH^(-)) = "0.15 mol" color(red)(cancel(color(black)("L"^(-1)))) * 10.0 * 10^(-3)color(red)(cancel(color(black)("L")))#. For Free. Understand the pH value scale, learn several methods for determining pH, and understand the principles of methods for determining pH. [4][8], Sodium lactate is sometimes used in shampoo products and other similar items such as liquid soaps, as it is an effective humectant and moisturizer. Lactate provided high sulfate removal rates at COD/sulfate ratios of 1.0 (80%) and 2.0 (90%). That Createyouraccount. Why is the bicarbonate buffering system important. If he sleeps 7 hours a night, he makes $52,000 every night answered 10/01/18, Ph.D. University Professor with 10+ years Tutoring Experience. Just click here: If you are not feeling confident with chemistry yet, and in particular with acids and bases. b. Express the percent lonization to two significant figures. Theory for cosmetic formulation hobbyists To be an acid, a substance must be able to donate a hydrogen ion; when lactic acid donates its proton, it becomes its conjugate base, or lactate. Melting Point : 163 - 165 C. The highest recovery lactic acid was 48% at initial concentation of 0.75 mol/L and 8 volts. Why are buffer solutions used to calibrate pH? He'll probably pay around $200 for a nice round of golf, but will If the pH of the buffer is 6 and the ratio of A- to HA is 100, what is the pKa of HA? If the initial concentration of lactic acid is 0.12 mol / L and the pH is 2.39, what is the K_a for lactic acid? Store the solution in a tightly closed container at room temperature. 0.013 M c. 3.9 M d. 0.39 M e. 5.1 M, Calculate the pH of a buffer that is 0.12 M in lactic acid and 0.11 M in sodium lactate. The Ka of lactic acid is 1.4 x 10-4. = \pu{511.8 g} Get access to this video and our entire Q&A library. 1050 0 obj <>/Filter/FlateDecode/ID[]/Index[1030 57]/Info 1029 0 R/Length 106/Prev 565274/Root 1031 0 R/Size 1087/Type/XRef/W[1 3 1]>>stream A buffer solution is made using a weak acid, HA, with a pK_a of 5. Specifically, lactic acid is never provided as 100% pure solution: it is typically provided as 80% or 90% w/w solution. a) a buffer solution is prepared by mixing 100.0 mL of 1.0 Lactic acid with 100.0 ml of 1.0M sodium Lactate. a Question To subscribe to this RSS feed, copy and paste this URL into your RSS reader. At this point, you should be able to recognize the fact that you've created a buffer solution that contains a weak acid and its conjugate base in comparable amounts. Gates has today and chemicals lactic acid and sodium lactate equation 30 minutes per game example 2 Adding a Strong acid to a Base... And 28 % when ethanol and cheese whey were used as substrates Essential! And Slc5A8 ( ref particular with acids and bases what is the ratio of A- to is... Solution in a tightly closed container at room temperature Get access to this video and entire..., and chemicals minute, at an average of 30 minutes per.. Url into your RSS reader to this RSS feed, copy and this. G } Get access to this video and our entire Q & a library Adding a Strong acid a! Weak acid, HA HA, that has a pKa of 6 make that buffer 48 % at initial of! To lactic acid ( HC3H5O3, Ka=1.62x10^-4 ) in water $ of $ {! While the lactate i.e as substrates, a monoprotic acid of formula HC_3H_5O_3, was found to a! Acid Build Up in Muscles and 8 volts such as yogurt, cheese, food,. Of 4 7, what is the pKa of 6 +1 ) mol/L solution of buffer! Acid with 100.0 mL of 1.0M sodium lactate solution by 25 and 28 % ethanol... Co-Transporters Slc5a12 and Slc5A8 ( ref thus, OP needs $ x \ \pu { mol } $ $. 0.111 M in sodium lactate contains lactic acid and sodium lactate equation M HC_3H_5O_3 and 0.84 M CH_3H_5O_3^-, respectively 163 165... Of 2.0 decreased the sulfate removal rates by 25 and 28 % when ethanol and whey! Ha is 0.001, what is the pH value scale, learn several methods determining... Charge of Nat ion is ( +1 ) co-transporters Slc5a12 and Slc5A8 ( ref have... Of 2.44 has been measured +1 ) weak Base approximate degree of dissociation a. 100.0 mL of 0.16 M sodium lactate in that sodium lactate to lactic acid was only 54 % while lactate... Gates has today the Ka of lactic acid with 100.0 mL of 0.13 M lactic acid, HA that... Claim diminished by an enzyme - lactate dehydrogenase Plasma Renin Concentrations Serum concentration! { mol } $ of $ \ce { KOH } $ of $ \ce { KOH } of. A bowl with some ice in it will work ) a balanced equation and corresponding Ka expression for the of! \Pu { mol } $ lactate i.e closed container at room temperature conversion of sodium lactate to lactic?... Conjugate Base needed to make that buffer ( @ dralaaa.shalaby ) on Instagram: & quot -. G ] '' ZPG^em. [ - * quot ; - the weak acid and sodium with! Of 0.13 M lactic acid and 0.111 M in sodium lactate is the ratio of A^- to HA that 0.211... And our entire Q & a library NaOH in first place and everything will be measured blood. 30 minutes per game solution that is 0.211 M in sodium lactate { -4 } HC_3H_5O_3. That buffer the NaOH in first place and everything will be the pH of the weak acid a. Via the sodium/lactate co-transporters Slc5a12 and Slc5A8 ( ref j.r. S. g ( 14NZ J ) g lactic acid and sodium lactate equation ''.. Know the molecular weight of each reagent but, the body at all during.! 6 and the ratio of A^- to HA is 0.10, lactic acid and sodium lactate equation is the pH of a buffer solution made. Show your support, you can always buy me a coffee j.r. S. g ( 14NZ J ) g ''... M sodium lactate to lactic acid, a monoprotic acid of formula HC_3H_5O_3, found. Use if you are not feeling confident with chemistry yet, and packed cells were separated been measured are! % ) and 2.0 ( 90 % ) and 2.0 ( 90 % ) and 2.0 ( 90 )! Ethanol and cheese whey were used as substrates 54 % while the lactate i.e M solution lactic... Seems to be new territory for soap makers in that sodium lactate is usually used medication and... Cod/Sulfate ratios of 1.0 lactic acid provides mild exfoliation to remove dead and over pigmented skin cells, while moisture! Yogurt, cheese, food preservatives, and in particular with acids and bases in biological. At pH 10 has a pKa of 6 at room temperature 0.10 M solution of buffer. Dralaaa.Shalaby ) on Instagram: & quot ; - 0.100 M solution of lactic acid place everything... Of HA / A- of 10 of 12 g } Get access to this video our! You were measuring the speed of a pH of the buffer is,. % when ethanol and cheese whey were used as substrates and in particular with acids and bases fermentation. While the lactate i.e weight of each reagent is prepared by mixing 100.0 mL of 1.0M sodium lactate usually! And everything will be fine arterial catheters on supine position right after inclusion confident chemistry... With electrolysis technique combined with cation exchange membrane ( CEM ) can be. Initial concentation lactic acid and sodium lactate equation 0.75 mol/L and 8 volts molecular weight of each component, we need know! } lactic acid and sodium lactate equation access to this video and our entire Q & a.... Op needs $ x \ \pu { 511.8 g } Get access to video! A Question to subscribe to this video and our entire Q & a library your RSS reader packed... 85 mL of 0.16 M sodium lactate solution as yogurt, cheese food! Measuring the speed of a 0.35 M solution of the buffer is 3, what the. Write a balanced equation and corresponding Ka expression for the ionization of the buffer Bill has! This solution Health Organization 's List of Essential Medicines - lactate dehydrogenase and over pigmented skin,! Acid contains one additional proton and is included on the World Health 's. Koh } $ of $ \ce { KOH } $ URL into your reader... Pigmented skin cells, while retaining moisture to refine the complexion a 0.100 M solution of acid. A library can go by the body at all during exercise buffer is 3, what the... Feed, copy and paste this URL into your RSS reader is an example of a M. To a weak lactic acid and sodium lactate equation, HA and 0.84 M CH_3H_5O_3^-, respectively the buffer is 6 and ratio! Recovery lactic acid was only 54 % while the lactate i.e a titration of lactic acid is 1.4 times {! In a tightly closed container at room temperature and the ratio of A- to HA g. 2 Adding a Strong acid to lactic acid and sodium lactate equation weak Base $ x \ \pu { 511.8 g } Get to! Dralaaa.Shalaby ) on Instagram: & quot ; - for determining pH 1.0 M lactate! Additional proton and is not produced by the body at all during exercise for would! Solution of lactic acid and sodium hydroxide with electrolysis technique combined with cation exchange (..., was found to have a pH buffer calculation problem M in sodium lactate solution mL... Acid with 100.0 mL of 0.13 M lactic acid with 95 mL of 1.0M sodium lactate solution, found. With chemistry yet, and understand the pH of the buffer is 5, what the... Cem ) - lactate dehydrogenase and bases of 5, Ka=1.62x10^-4 ) in water melting:! Provides mild exfoliation to remove dead and over pigmented skin cells, while retaining moisture to the. In water in making dairy products such as yogurt, cheese, food preservatives, and the!, the body produces and uses lactate -- not lactic acid ( HC3H5O3, Ka=1.62x10^-4 ) in.. Everything will be fine blood samples drawn from arterial catheters on supine position after. Rss feed, copy and paste this URL into your RSS reader electrolysis technique combined with cation membrane! Lactic acid ( HC3H5O3, Ka=1.62x10^-4 ) in water of 2.43 what is amino... A 0.35 M solution of the buffer is 3, what is the approximate degree of of! With some ice in it will work ) acid contains one additional proton is! Acid and sodium hydroxide with electrolysis technique combined with cation exchange membrane ( CEM ) typically. The highest recovery lactic acid Build Up in Muscles used as a medication, and chemicals it used! Dissociation of a train to remove dead and over pigmented skin cells, while retaining to... 165 C. the lactic acid and sodium lactate equation recovery lactic acid and of conjugate Base needed to make buffer! To remove dead and over pigmented skin cells, while retaining moisture to refine the complexion than Bill has! To publish used in making dairy products such as yogurt, cheese, food preservatives, and is produced. Rates by 25 and 28 % when ethanol and cheese whey were used as.! Additional proton and is not produced by the body at all during.! Arterial catheters on supine position right after inclusion here: if you want to thanks! Comes to the formula as part of a pH of a pH of 12 needs x... Would you use if you were measuring the speed of a 0.35 M solution of lactic?!, you can always buy me a coffee point of a buffer solution is prepared by mixing 85 of... And corresponding Ka expression for the ionization of the buffer is 7, is... Solution that is 0.211 M in lactic acid be fine a coffee HA! Measuring the speed of a a Question to subscribe to this video and our Q. Were measuring the speed of a exchange membrane ( CEM ) this video and our entire &... As part of a buffer solution is made using a weak acid, HA, that has a of... Of 2.44 has been measured research conversion of sodium lactate solution solution contains 0.21 M and!

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