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C Carbono 2 12.011 24.023
H Hidrógeno 6 1.008 6.051
O Oxígeno 1 15.999 15.999
CH3CH2OH etanol 46.0
gramos soluto = moles x g/mol
gramos = 17.1 x 46.0
gramos = 786.6 g
gramos solución = 1000 ml x 0.79 g/ml = 790 g
% p/p = 786.6 g / 790 g = 99.6 %
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