A Solution Is Prepared by Dissolving 4

question 34

Multiple Choice

A solution is prepared by dissolving 4.78 g of an unknown nonelectrolyte in enough water to make 375 mL of solution.The osmotic pressure of the solution is 1.33 atm at 27°C.What is the molar mass of the solute? (R = 0.0821 L⋅atm/mol⋅K)

• A) 0.0203 g/mol
• B) 21.2 g/mol
• C) 49.4 g/mol
• D) 96.8 g/mol
• E) 236 g/mol

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