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Calculate the percentage of water in C2 H4O2.2H2O​

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Answer:


Molecular \: mass \: of \: C _(2)H _(4) O_(2).2H_(2)O , \\ \\ ⇢ 12 * 2 + 4 * 1 + 16 * 2 + 2(2 * 1 + 16) \\ \\⇢ 24 + 4 + 32 + 36 \\ \\ ⇢ 96g


\bold\pink{Percentage \: of \: substance \: in \: compound ,} \\ \\ \bold\pink{ ⇢ (mass \: of \: substance)/(mass \: of \: compound * 100)}


\%\:age \: of \: water \: (H_(2)O) = (36)/(96) * 100 \\ \\ ⇢ 0.375 \: * 100 \\ \\\fbox\red{\: ⇢ 37.5\%\:}

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