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81. An aqueous solution containing 17.5 g of an unknown molecu- lar (nonelectrolyte) compound in 100.0 g of water has a freez- ing point of

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81. An aqueous solution containing 17.5 g of an unknown molecu- lar (nonelectrolyte) compound in 100.0 g of water has a freez- ing point of -1.8 C. Calculate the molar mass of the unknown compound. MISSED THIS? Read Section 14.6; Watch KCV 14.6 85. A solution containing 27.55 mg of an unknown protein per 25.0 mL solution was found to have an osmotic pressure of 3.22 torr at 25 C. What is the molar mass of the protein? MISSED THIS? Read Section 14.6; Watch KCV 14.6 of colution containing

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