Homework Answers
1. Benzene= 40%
this indicates mass of benene = 40 X 78 (where 78 is mass of benzene)
= 3120g
Toulene = 60%
this indicates mass of toulene = 60 X 92 (where 92 is mass of toulene)
= 5520g
massfraction of benzene = mass of benene/ total mass
= 3120/(3120+5520) = 0.361
massfraction of toulene = mass of toulene/ total mass
= 5520/(3120+5520) = 0.639
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