123. Solving a chemistry problem
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123. Solving a chemistry problem
Two grams of C6H5COOH benzoic acid dissolved in 25.0 grams of benzene results in a freezing point drop of 1.62K. Knowing the cryoscopic constant of benzene 4.90 K * kg / mol, calculate the molar mass of benzoic acid in solution. Compare it with the molar mass calculated from the formula C6H5COOH.
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