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Molar Mass of Organic Compound

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You have an unknown organic compound that is soluble in acetic acid. If 39.35g of this compound in 29.95ml of acetic acid (density of acetic acid is 1.0492g/mL) has a freezing point of 8.650 degrees Celsius, what is the molar mass of this organic compound? The freezing point of acetic acid is 16.60 degrees Celsius and the freezing point constant, Kf is 3.90 degrees Celsius/m.

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This solution calculates the molar mass of an organic company with a freezing point of 8.650 degrees C.