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A 266−mL sample of a sugar solution containing 1.24 g of the sugar has an osmotic...

A 266−mL sample of a sugar solution containing 1.24 g of the sugar has an osmotic pressure of
30.2 mmHg at 34.1°C. What is the molar mass of the sugar?

__ g/mol

Calculate the osmotic pressure of a 0.0493 M FeCl3 solution at 25°C. (The van't Hoff factor for FeCl3 is 3.04)

__ atm

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Answer #1

1 atm = 760 mmHg

1mL = 10-3 L

Answer (1): molar mass of sugar = 2956 g/mol

Answer (2): osmotic pressure= 3.66 atm

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