An aqueous solution of a non-volatile, non-electrolyte solute (molecular mass = 150) boils at 373.26 K. The composition of solution, in terms of mass per cent of solute, is ()

Question

An aqueous solution of a non-volatile, non-electrolyte solute (molecular mass = 150) boils at 373.26 K. The composition of solution, in terms of mass per cent of solute, is ($K_b 	ext{ of water} = 0.52$)

Prashant Kotian · Accepted Answer

Correct answer: C. Assuming pure water boils at 373 K, . Molality . Thus, 0.5 moles of solute are in 1000 g of water. Mass of solute . Total mass . Mass % . Therefore, correct answer is C.

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