Question

2.0 g of benzoic acid dissolved in 25.0 g of benzene shows a depression in freezing point equal to 1.62 k. Molal depression constant kf of benzene is 4.9 k kg mol-1. What is the percentage association (closest approximation) of the acid?

Answer 1

2.0 g of benzoic acid dissolved in 25.0 g of benzene ... Molal depression constant kf of benzene is 4.9 k kg mol-1.