Question

3.
A solution that is 20% ethanolby volume to have
a density of 0.977 g/mL. Density of ethanol is
0.789 g/mL. Thus, mass per cent of ethanol
solution is
1) 7.89% 094 74100
2) 9.77 %
3) 16.15%
9707
4) 18.72%
Goo​

Answer 1

Answer:

A solution that os 20.0%ethanol,by volume, is found tp have a density of 0.977 g/ ML.use this fact together with data from example, to determine the mass percent ethanol in the solution hope it help you