A 100 L Buffer Solution Is 0

question 142

Multiple Choice

A 1.00 L buffer solution is 0.250 M in HF and 0.250 M in NaF.Calculate the pH of the solution after the addition of 100.0 mL of 1.00 M HCl.The K_a for HF is 3.5 × 10^-4.

• A) 3.09
• B) 4.11
• C) 3.82
• D) 3.46
• E) 2.78

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