Question

15 g of methyl alcohol is present in 100 ml of solution. If the density of the solution is 0.96g/ml , calculate the mass percentage of methyl alcohol in the solution.

Answer 1

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Mass of methyl alcohol = 15g


Volume of the solution = 100ml


Density = 0.96g/ml


$density = \frac{mass}{volume}$


$mass = density \times vol {}^{m}$


$mass = 100 \times 0.96 = 96g$



$\frac{masss \: of \: methyl \: alcohol}{mass \: of \: sol {}^{n} } \times 100$



$\frac{15}{96} \times 100 = 15.625\%$



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@ Prabhudutt