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3. A sample of an organic compound (a nonelectrolyte) weighing 1.35g lowered the freezing point of 10.0g of benzene by 3.66C. Assuming ideal solution behavior,

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3. A sample of an organic compound (a nonelectrolyte) weighing 1.35g lowered the freezing point of 10.0g of benzene by 3.66C. Assuming ideal solution behavior, calculate the molar mass of the compound. The Kf=5.12C/m (Total 3 marks) 4. The osmotic pressure of a solution containing 7.0g of insulin per liter is 23 torr at 25C. Assuming ideal solution behavior, what is the molar mass of insulin? 1atm=760 torr, significant figures

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