Determine the PH of a 0

question 39

Multiple Choice

Determine the pH of a 0.22 mol L^-1 NaF solution at 25 °C. The K_a of HF is 3.5 × 10^-5.

• A) 10.20
• B) 5.10
• C) 8.90
• D) 11.44
• E) 2.56

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Definitions:

Average Annual Rate

A financial term indicating the average amount of interest earned or paid per year over the life of an investment or loan.

Enrolment

The process of registering or entering into a program, course, or institution.

Compounded Semiannually

Interest calculation method where interest is added to the principal sum twice a year, leading to interest on interest.

Strip Bond

A type of bond where both the principal and regular coupon payments have been separated and are sold individually.