Chemistry, 28.02.2020 18:58 hkcapricorn7705
An unknown compound contains only carbon, hydrogen, and oxygen. Combustion analysis of the compound gives the mass percent of 31.57% and 5.30%. The molar mass is determined by measuring the freezing-point depression of an aqueous solution. A freezing point of –5.30°C is recorded for a solution made by dissolving 10.8 g of the compound in 25.0 g water. Determine the molar mass and molecular formula of the compound. Assume that the compound is a nonelectrolyte.
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The tendency of water molecules to stick together is referred to as a) adhesion b) polarity c) cohesion d) transpiration e) evaporation
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An unknown compound contains only carbon, hydrogen, and oxygen. Combustion analysis of the compound...
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