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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Definitions:

Short Run

A period in which at least one factor of production is fixed, limiting the ability of a firm to adjust to changes in market demand or production costs.

Short-Run Aggregate-Supply Curve

A graphical representation that shows the relationship between the total production of goods and services and the price level for those goods and services in the short-term.

Price Level

An index that measures the average of current prices across the entire spectrum of goods and services produced in the economy compared to a reference point.

Output

The total quantity of goods and services produced by an economic system.