Multiple Choice
Consider a 0.50 M solution of HNO2, a weak acid with Ka = 4.5 × 10-4. Which statement is true?
A) [H3O+] = 0.50 M.
B) The acid is mostly ionized.
C) pH = 3.35.
D) pH = 0.32.
E) pH > 0.32.
Correct Answer:
Verified
Correct Answer:
Verified
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