K_a for HF Is 7

question 34

Multiple Choice

K_a for HF is 7.0 × 10^{- 4}. K_b for the fluoride ion is _ _.

• A) 7.0 × 10^{- 4}
• B) 2.0 × 10^{- 8}
• C) 1.4 × 10^{- 11}
• D) 1.4 × 10³
• E) 7.0 × 10^{- 18}

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