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16 Nov 2019

Muscle physiologists study the accumulation of lactic acid

[

CH3CH(OH)COOH

]

during exercise. Food chemists study its occurrence in sour milk, beer, wine, and fruit. Industrial microbiologists study its formation by various bacterial species from carbohydrates. A biochemist prepares a lactic acid-lactate buffer by mixing 225 mL of 0.85 M lactic acid

(Ka = 1.38 × 10−4)

with 435 mL of 0.68 Msodium lactate. What is the buffer pH?

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Nelly Stracke
Nelly StrackeLv2
16 Nov 2019
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