When 11.3 g of an organic compound known to be 62.04% C, 10.4% H, and 27.55% O by mass is dissolved in 642.7 g of water, the freezing point is –0.282 °C. The normal freezing point of water is 0 °C. What is the molecular formula for the organic compound? Assume that the organic compound is a molecular solid and does not ionize in water. Kf values for various solvents are given in the colligative constants table. molecular formula: СНО

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Chapter1: Chemical Foundations
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When 11.3 g of an organic compound known to be 62.04% C, 10.4% H, and 27.55% O by mass is dissolved in 642.7 g of water,
the freezing point is –0.282 °C. The normal freezing point of water is 0 °C. What is the molecular formula for the organic
compound? Assume that the organic compound is a molecular solid and does not ionize in water. Kf values for various solvents
are given in the colligative constants table.
molecular formula:
СНО
Transcribed Image Text:When 11.3 g of an organic compound known to be 62.04% C, 10.4% H, and 27.55% O by mass is dissolved in 642.7 g of water, the freezing point is –0.282 °C. The normal freezing point of water is 0 °C. What is the molecular formula for the organic compound? Assume that the organic compound is a molecular solid and does not ionize in water. Kf values for various solvents are given in the colligative constants table. molecular formula: СНО
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