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When 35.0 g of an unknown nonelectrolyte is dissolved in 220.0 g of benzene, the solution boils at 83.2°C. Calculate the molecular weight of the unknown nonelectrolyte. The Kb for benzene = 2.53°C/m. The boiling point of pure benzene is 80.1°C.

130 g/mol

20.3 g/mol

183 g/mol

156 g/mol

194 g/mol

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Category:- Chemistry
Reference No.:- M9690129

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