You Wish to Prepare a Buffer Containing CH₃COOH with a PH

question 61

Multiple Choice

You wish to prepare a buffer containing CH₃COOH with a pH of 5.44. If the pK_a of acetic acid is 4.74, what ratio of [CH₃COO⁻]/[CH₃COOH] must you use?

• A) 0.70
• B) 0.20
• C) 1.4
• D) 5.0
• E) 1.1

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Compounded Annually

Interest on an investment that is calculated once a year, where the interest earned each year is added to the principal.

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The initial amount of money borrowed in a loan, excluding interest and other charges.

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A time period equal to three and a half years.

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The amount payable to an investor at the end of an investment period.