A Buffer Is Made by Dissolving 0

question 13

Multiple Choice

A buffer is made by dissolving 0.10 mol of NaF in 1.00 L of 0.20 M HF. What is the pH of this buffer?
K _a(HF) = 6.3×10 ^{- 4}

• A) 1.05
• B) 1.58
• C) 3.16
• D) 3.46
• E) 3.70

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