When \( \mathrm{NH}_{4} \mathrm{Cl} \) is dissolved in water, it will dissociate into \( \mathrm{NH}_{4}^{+} \) and \( \mathrm{Cl}^{-} \). The \( \mathrm{NH}_{4}^{+} \) will react with water to form \( \mathrm{NH}_{3} \) and \( \mathrm{H}_{3}\mathrm{O}^{+} \),
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