In an Equilibrium Whose Reaction Is Expressed HAc ⇌ H⁺

question 13

Multiple Choice

In an equilibrium whose reaction is expressed HAc ⇌ H⁺ + Ac^- , how can K equal a number greater than 1000 if the product concentrations are never greater than 0.2 M each?

• A)The product concentrations must be halved.
• B)The reactant concentration must be as small as 4.0 × 10^-5.
• C)The reactant concentrations must be made as large as 5.0 × 10⁵.
• D)The product concentrations must be very close to zero.

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Definitions:

Standard Volume

The amount of volume the plant would have generated if each unit of product manufactured used precisely the standard unit of volume allowed.

Budgeted Volume

The amount of production expected to occur during the year, usually stated in terms of a common input measure such as direct labor hours. Budgeted volume can be estimated as expected volume for next year or normal volume over the long run.

Actual Output

The tangible products or results produced by a company's operations or activities.

Total Overhead Variance

The difference between total actual and applied overhead.