Which of the Following Is True

question 8

Multiple Choice

Which of the following is true?

• A) The pH of a solution where the A− to HA ratio is 1 has a pH = pK_a.
• B) If the pH does not equal the pK_a, the solution is not a buffer.
• C) The best buffer for any experiment will always have a pH equal to the pK_a.
• D) If a buffer has more weak acid than conjugate base, the pH will be higher than the pK_a.

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Definitions:

Workers

Individuals engaged in any form of work, whether in formal employment, self-employment, or voluntary activities, contributing labor to an economy.

Marginal Product

The increase in output that results from employing one more unit of a specific input, keeping all other inputs constant.

Total Product

The total output of goods and services produced by a firm during a specific period of time.

Implicit Costs

The opportunity costs that arise from using resources that could have been employed in an alternative capacity, but do not involve a direct monetary payment.