The PH of a Solution of NH₄C₂H₃O₂ Is Approximately 7

question 20

Multiple Choice

The pH of a solution of NH₄C₂H₃O₂ is approximately 7.The best explanation is:

• A)This salt does not react with water.
• B)Ammonium acetate is a weak electrolyte.
• C)All salts of weak acids and weak bases are neutral.
• D)Aqueous ammonia and acetic acid have approximately equal ionization constants.
• E)The salt is a product of a strong acid and a strong base.

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Definitions:

Efficiency Variance

A measure used in cost accounting to determine the difference between the actual cost of producing an item and the standard cost, based on the actual hours worked.

Budget Variance

The difference between budgeted figures for revenue or expenses and actual figures.

Fixed Overhead Budget

The fixed overhead budget is a financial plan that estimates the fixed costs associated with production, which do not vary with the level of output.

Volume Variance

A measure of the difference between the expected (budgeted) volume of sales or production and the actual volume, used in cost accounting and financial analysis.