Which of the Following 0

question 78

Multiple Choice

Which of the following 0.10 M aqueous solutions gives the lowest pH?

• A) CCl₃COOH (pK_a = 0.52)
• B) Because all are acids, the pH is the same for all solutions.
• C) HF (pK_a = 3.45)
• D) CH₃COOH (pK_a = 4.75)
• E) H₃PO₄ (pK_a1 = 2.12)

---

Definitions:

Perpetuity

A type of annuity that pays a consistent amount indefinitely, with no end date.

Yield

The income return on an investment, such as the interest or dividends received, expressed as a percentage of the investment's cost or current market value.

Duration

A measure of the sensitivity of the price of a bond or other debt instrument to a change in interest rates, typically expressed in years.

Price Volatility

The rate at which the price of a security increases or decreases for a given set of returns, often measured by the standard deviation of historical daily price changes.