The K_a for Hydrofluoric Acid Is 6

question 41

Multiple Choice

The K_a for hydrofluoric acid is 6.9 × 10−⁴.What is K_b for fluoride ion?

• A) 1.0 × 10−¹⁴
• B) 1.4 × 10−¹¹
• C) 7.4 × 10−⁹
• D) 1.0 × 10−⁷
• E) 6.9 × 10¹⁰

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