What Is the PH of a Buffer Solution That Is

question 74

Multiple Choice

What is the pH of a buffer solution that is 0.211 M in lactic acid and 0.111 M in sodium lactate? The K_a of lactic acid is 1.4 × 10^-4.

• A)14.28
• B)10.43
• C)5.48
• D)3.57
• E)4.13

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Definitions:

Acid-Test Ratio

A stringent measure of liquidity that indicates a company's ability to meet its short-term obligations with its most liquid assets, excluding inventory.

Financial Information

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Common Size Percentages

Financial analysis tool that expresses each line item in a financial statement as a percentage of a base figure.

Cost of Goods Sold

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