For Which of the Following Equilibria Does K_c Correspond to an Acid-Ionization

question 122

Multiple Choice

For which of the following equilibria does K_c correspond to an acid-ionization constant,K_a?

• A)NH₃(aq)+ H₃O⁺(aq) NH₄⁺(aq)+ H₂O(l)
• B)NH₄⁺(aq)+ OH^-(aq) NH₃(aq)+ H₂O(l)
• C)F^-(aq)+ H₂O(l) HF(aq)+ OH^-(aq)
• D)HF(aq)+ OH^-(aq) H₂O(l)+ F^-(aq)
• E)NH₄⁺(aq)+ H₂O(l) NH₃(aq)+ H₃O⁺(aq)

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Definitions:

Demand Fluctuations

Variations in customer demand for products or services over a certain period of time.

Net Receivables

The total money owed to a company by its customers minus any provisions for bad debt.

Cost of Goods Sold

The direct costs attributable to the production of the goods sold by a company, including material and labor expenses.

Total Revenue

The total amount of money generated by a company from its business activities, primarily through the sale of goods and services, before any expenses are deducted.