What is the mole fraction of toluene in a solution of 2.7 mol of benzene and 5.4 mol of toluene?
A)0.70
B)0.54
C)0.67
D)0.24
E)0.33

Name: What is the mole fraction of toluene in a solution of 2.7 mol of benzene and 5.4 mol of toluene? A)0.70 B)0.54 C)0.67 D)0.24 E)0.33
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Question

Quizplus · Accepted Answer

Mole fraction of toluene = moles of toluene / total moles in solution

Total moles in solution = 2.7 mol benzene + 5.4 mol toluene = 8.1 mol

Mole fraction of toluene = 5.4 mol / 8.1 mol = 0.67

What Is the Mole Fraction of Toluene in a Solution