Question

Calculate the mole fraction of benzene in a solution of
30% by mass benzene in carbon tetrachloride.​

Answer 1

Answer:

nC6H6=WC6H6Mwofc6H6=30g78gmol-1=0.385.

nCCl4=WCCl4MwofCCl4=70g154gmol-1=0.425.

CHMiC6H6=nC6H6nC6H6+nCCl4=0.3850.385+0.425=0.3850.84=0.485.