A) What is the pH of a solution containing 0.266 mol L-1 HF and 0.144 mol L-1 F- ? Round your answer to 2 decimal places

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A) What is the pH of a solution containing 0.266 mol L-1 HF and 0.144 mol L-1 F- ? Round your answer to 2 decimal places

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A) What is the pH of a solution containing 0.266 mol L-1 HF and0.144 mol L-1 F- ? Round your answer to 2 decimal places.
B) What is the pH of a solution containing 0.47 molL-1 CH3NH2 and 0.108 molL-1 CH3NH3+? Roundyour answer to 2 decimal places.
C) What is the pH at which a buffer composed ofCH3COOH and CH3COO- would bemost effective at resisting pH change? Round your answer to 2decimal places.
Remember you can find KA and/orKB values in your textbook in chapter 15.
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