You Wish to Prepare an HC₂H₃O₂ Buffer with a PH

question 8

Multiple Choice

You wish to prepare an HC₂H₃O₂ buffer with a pH of 5.44.If the pK_a of is 4.74,what ratio of
C₂H₃O₂^-/HC₂H₃O₂ must you use?

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

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Definitions:

Principal Payments

Payments made on a loan that reduce the remaining balance of the principal amount borrowed.

Outstanding Balance

The outstanding balance is the amount of debt, or loan, that remains to be paid off.

Cash Flows

A reiteration emphasizing on multiple streams or instances of money being transferred into and out of a business or investment.

Present Value

The current value of a future sum of money or stream of cash flows, given a specified rate of return.