Which of the Following Expressions for K Is Correct for the Reaction

question 35

Multiple Choice

Which of the following expressions for K is correct for the reaction given below?
HF(aq) + H₂O( $\ell$ ) $\rightleftharpoons$ F^-(aq) + H₃O⁺(aq)

• A) \(K = \frac { [ \mathrm { HF } ] } { \left[ \mathrm { F } ^ { - } \right] }\)
• B) \(K = \left[ \mathrm { H } _ { 3 } \mathrm { O } ^ { + } \right]\)
• C) \(K = \frac { \left[ \mathrm { F } ^ { - } \right] \left[ \mathrm { H } _ { 3 } \mathrm { O } ^ { + } \right] } { [ \mathrm { HF } ] }\)
• D) \(K = \frac { \left[ \mathrm { F } ^ { - } \right] } { [ \mathrm { HF } ] }\)
• E) \(K = \frac { [ \mathrm { HF } ] } { \left[ \mathrm { F } ^ { - } \right] \left[ \mathrm { H } _ { 3 } \mathrm { O } ^ { + } \right] }\)

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Definitions:

Acid-Test Ratio

A financial ratio that measures a company's ability to pay off its current liabilities with its most liquid assets, providing a stringent measure of liquidity.

Current Assets

Resources anticipated to be transformed into cash, disposed of, or utilized within a twelve-month period or the duration of the operating cycle, depending on which is greater.

Current Liabilities

Short-term financial obligations due within one year, including accounts payable, short-term loans, and other debts.

Gross Profit

The difference between revenue and the cost of goods sold before deducting overhead, payroll, taxes, and interest payments.