A 100 L Buffer Solution Is 0

question 48

Multiple Choice

A 1.00 L buffer solution is 0.250 mol L^-1 in HF and 0.250 mol L^-1 in LiF. Calculate the pH of the solution after the addition of 0.150 moles of solid LiOH. Assume no volume change upon the addition of the base. The K_a for HF is 3.5 × 10^-4.

• A) 3.46
• B) 4.06
• C) 2.85
• D) 3.63
• E) 4.24

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