Buffer solutions with the component concentrations shown below were prepared. Which of them should have the lowest pH?
[CH3COOH] = 0.25 M, [CH3COO-] = 0.25 M
[CH3COOH] = 0.75 M, [CH3COO-] = 0.75 M
[CH3COOH] = 0.75 M, [CH3COO-] = 0.25 M
[CH3COOH] = 0.25 M, [CH3COO-] = 0.75 M
[CH3COOH] = 1.00 M, [CH3COO-] = 1.00 M
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