For preparing a buffer solution of \( \mathrm{pH} 6 \) by mixing P ...

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For preparing a buffer solution of \( \mathrm{pH} 6 \) by mixing
P sodium acetate and acetic acid, the ratio of the

W concentration of salt and acid should be \( \left(\mathrm{K}=10^{-5}\right) \)
(1) \( 1: 10 \)
(2) \( 10: 1 \)
(3) \( 100: 1 \)
(4) \( 1: 100 \)
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