4173 G of an Organic Compound (Non-Electrolyte) Lowered the Freezing

question 92

Multiple Choice

4.173 g of an organic compound (non-electrolyte) lowered the freezing point of 100.0 g of nitrobenzene by 2.6 °C. If the Kf of nitrobenzene is 8.1 °C∙ kg solvent/mol solute, the molecular mass of the non-electrolyte is ________.

• A) 260
• B) 195
• C) 65
• D) 130

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