12.62 A solution of 2.50 g of a compound having the empirical formula C,H,P in 25.0 g of benzene is observed to freeze at 4.3°C. Calculate the molar mass of the solute and its molecular formula.

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answer 12.62
ACT 2. USING COLLIGATIVE PROPERTY TO GET THE MOLAR MASS
12.61 The molar mass of benzoic acid (C,H,COOH) determined
by measuring the freezing-point depression n benzene is twice
what we would expect for the molecular formula, C,H,O2.
Explain this apparent anomaly.
12.62 A solution of 2.50 g of a compound having the empirical
formula C,H,P in 25.0 g of benzene is observed to freeze at
4.3°C. Calculate the molar mass of the solute and its
molecular formula.
Transcribed Image Text:ACT 2. USING COLLIGATIVE PROPERTY TO GET THE MOLAR MASS 12.61 The molar mass of benzoic acid (C,H,COOH) determined by measuring the freezing-point depression n benzene is twice what we would expect for the molecular formula, C,H,O2. Explain this apparent anomaly. 12.62 A solution of 2.50 g of a compound having the empirical formula C,H,P in 25.0 g of benzene is observed to freeze at 4.3°C. Calculate the molar mass of the solute and its molecular formula.
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