A Solution Containing 0

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