\( 6 \mathrm{~g} \) mixture of \( \mathrm{NH}_{4} \mathrm{Cl} \) and \( \mathrm{NaCl} \) is trea...

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\( 6 \mathrm{~g} \) mixture of \( \mathrm{NH}_{4} \mathrm{Cl} \) and \( \mathrm{NaCl} \) is treated with \( 110 \mathrm{~mL} \) of a solution of caustic soda of \( 0.63 \mathrm{~N} \). The solution was then boiled to remove \( \mathrm{NH}_{3} \). The resulting solution required \( 48.1 \mathrm{~mL} \) of a solution of \( 0.1 \mathrm{NHCl} \). What is \% composition of mixture?
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