UPMSP Intermediate Chemistry Practice Questions - Uttar Pradesh UPMSP Intermediate (Class 12) Chemistry - Code 152 Exam

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When 1.00 g of a non-volatile solute is dissolved in 50.0 g of benzene, the freezing point of benzene is lowered by 0.40 K. If the molal freezing point depression constant (K_f) of benzene is 5.12 K kg mol⁻¹, what is the molar mass of the solute?

128 g mol⁻¹ 256 g mol⁻¹ 64 g mol⁻¹ 512 g mol⁻¹

Correct Answer:

256 g mol⁻¹

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