Determine the Boiling Point of a Solution That Contains 78

Multiple Choice

Determine the boiling point of a solution that contains 78.8 g of naphthalene (C₁₀H₈, molar mass = 128.16 g/mol) dissolved in 722 mL of benzene (d = 0.877 g/mL) .Pure benzene has a boiling point of 80.1°C and a boiling point elevation constant of 2.53°C/m.

A) 2.2°C
B) 2.5°C
C) 82.3°C
D) 80.4°C
E) 82.6°C