A Solution Containing 0

question 71

Multiple Choice

A solution containing 0.102 g of an unknown compound dissolved in 100. mL of water has an osmotic pressure of 28.1 mmHg at 20.°C. What is the molar mass of the compound? (R = 0.08206 L • atm/K • mol, 1 atm = 760 mmHg)

• A) 663 g/mol
• B) 0.872 g/mol
• C) 1.15 g/mol
• D) 727 g/mol
• E) 1.10 × 10² g/mol

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Definitions:

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