You Wish to Prepare an HC₂H₃O₂ Buffer with a PH

question 91

Multiple Choice

You wish to prepare an HC₂H₃O₂ buffer with a pH of 4.24.If the pK_a of is 4.74,what ratio of
C₂H₃O₂^-/HC₂H₃O₂ must you use?

• A)0.10
• B)0.50
• C)0.32
• D)2.0
• E)2.8

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Definitions:

Diminishing Returns

A principle stating that as additional units of a variable resource are added to a fixed resource, the marginal product of the variable resource will eventually decrease.

Fixed Input

A production factor that remains unchanged regardless of the level of output in the short run.

Marginal Product

The additional output generated by employing one more unit of a particular input, keeping other inputs constant.