Consider a Buffer Solution Containing a Weak Acid, HX, and a Salt

question 30

Multiple Choice

Consider a buffer solution containing a weak acid, HX, and a salt of the weak acid's conjugate base, NaX. Under what conditions is the pH greater than the p K _a of the weak acid?

• A) When the p K _a equals 7.0.
• B) When [HX] > [NaX].
• C) When [HX] < [NaX].
• D) When [HX] = [NaX].
• E) When there is no NaX present.

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Definitions:

Debt Securities

Financial instruments representing a loan made by an investor to a borrower, typically involving regular interest payments and the return of principal at maturity.

Equity Securities

Financial instruments that represent ownership interest in a company, such as common stock, and typically provide voting rights and potential dividends.

Creditor Relationship

The financial relationship that exists between a borrower or debtor and a lender, where the lender provides a loan or credit to the borrower.

Cash Equivalents

Cash equivalents are short-term, highly liquid investments that are readily convertible to known amounts of cash and which are subject to an insignificant risk of changes in value.