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The \( \mathrm{pH} \) value of \( 0.1 \mathrm{M} \) solutions of
P \( \mathrm{CH}_{3} \mathrm{COONa} \) (I), \( \mathrm{CH}_{3} \mathrm{COOH} \) (II), \( \mathrm{CH}_{3} \mathrm{COONH}_{4} \) (III),

W \( \mathrm{NaOH}(\mathrm{IV}) \) and \( \mathrm{HCl}(\mathrm{V}) \) is in the order
(1) I \( \) II \( \) III \( \) IV \( \) V
(2) V \( \) IV \( \) III \( \) II \( \) I
(3) V \( \) II \( \) III \( \) I \( \) IV
(4) V \( \) II \( \) I \( \) III \( \) IV
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