If an aqueous solution of ammonium acetate () is diluted 100 times, its pH will: — Ionic Equilibrium Chemistry Question
Question
If an aqueous solution of ammonium acetate ($CH_3COONH_4$) is diluted 100 times, its pH will:
Answer: C
💡 Solution & Explanation
Ammonium acetate is a WA-WB salt. The pH formula for such salts is $pH = 7 + 0.5(pK_a - pK_b)$, which does not contain a concentration ($C$) term. Thus, dilution has absolutely no effect on its pH.
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