Multiple Choice
HZ is a weak acid. An aqueous solution of HZ is prepared by dissolving 0.020 mol of HZ in sufficient water to yield 1.0 L of solution. The pH of the solution was 4.93 at 25.0 °C. The Ka of HZ is .
A) 1.4 × 10- 10
B) 2.8 × 10- 12
C) 1.2 × 10- 5
D) 9.9 × 10- 2
E) 6.9 × 10- 9
Correct Answer:
Verified
Correct Answer:
Verified
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