An Aqueous Solution of NaF Is Prepared by Dissolving 0

question 110

Multiple Choice

An aqueous solution of NaF is prepared by dissolving 0.350 mol of NaF in sufficient water to yield 1.0 L of solution.The pH of the solution was 8.93 at 25.0 °C.The K_b of F^- is ________.

• A)1.2 × 10^-5
• B)2.1 × 10^-10
• C)6.9 × 10^-9
• D)2.8 × 10^-12
• E)9.9 × 10^-2

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