Calculate the percent by mass of benzene in a solution containing 10.4 g of benzene in 27.4 g of carbon tetrachloride.

Answer 1

Mass of benzene = 10.4 g

Mass of carbon tetra chloride = 27.4 g

Total mass = 10.4 g + 27.4 g 37.8 g

% by mass benzene = 10.4 g/37.8 g (x100%) = 27.5% benzene