Calculate the pH of a solution prepared by dissolving 2.20 got sodium acetate, CH3COONa, in 78.0 mL of 0.25 M acetic acid, CH3COOH(aq). Assume the volume change upon dissolving the sodium acetate is negligible. Ka of CH3COOH is 1.75 x 10^-5
Moles of CH3COONa
Volume V = 78.0 mL = 0.078 L
[CH3COONa]
[CH3COOH] = 0.25 M
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