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28 Sep 2019
A compound contains only C, H, and O. To analyze the compound, youdetermine its empirical formula by
analysis for C and H, and its molar mass by freezing pointdepression. (a) What is the
empirical formula if a 0.01510 g sample gives 0.01102 g of H2O and0.04484 g of CO2
on combustion? (b) If you dissolve 1.000 g of the powder in 100.000g of camphor,
you find that the melting point of the solution is 177.05 EC. Purecamphor melts at
179.75 EC. The kfp for camphor is !40.0 deg/molal. What is themolar mass of the
white powder? (c) What is the molecular formula of the whitepowder?
A compound contains only C, H, and O. To analyze the compound, youdetermine its empirical formula by
analysis for C and H, and its molar mass by freezing pointdepression. (a) What is the
empirical formula if a 0.01510 g sample gives 0.01102 g of H2O and0.04484 g of CO2
on combustion? (b) If you dissolve 1.000 g of the powder in 100.000g of camphor,
you find that the melting point of the solution is 177.05 EC. Purecamphor melts at
179.75 EC. The kfp for camphor is !40.0 deg/molal. What is themolar mass of the
white powder? (c) What is the molecular formula of the whitepowder?
analysis for C and H, and its molar mass by freezing pointdepression. (a) What is the
empirical formula if a 0.01510 g sample gives 0.01102 g of H2O and0.04484 g of CO2
on combustion? (b) If you dissolve 1.000 g of the powder in 100.000g of camphor,
you find that the melting point of the solution is 177.05 EC. Purecamphor melts at
179.75 EC. The kfp for camphor is !40.0 deg/molal. What is themolar mass of the
white powder? (c) What is the molecular formula of the whitepowder?
Beverley SmithLv2
28 Sep 2019
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