What is the percent ionization of a 0.10 M solution of nitrous acid (HNO2, Ka = 7.2 × 10-4)? | Acid-Base Chemistry

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Question

What is the percent ionization of a 0.10 M solution of nitrous acid (HNO₂, Ka = 7.2 × 10-4)?

1.1%

3.6%

8.1%

✓ Correct

14%

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