A 376 Mg Sample of a Nonelectrolyte Compound Isolated from Throat

question 102

Multiple Choice

A 376 mg sample of a nonelectrolyte compound isolated from throat lozenges was dissolved in water to produce 10.0 mL of a solution at 25°C. The osmotic pressure of this solution was measured and found to be 4.89 atm. What is the molar mass of this compound?

• A) 489 g/mol
• B) 941 g/mol
• C) 48.9 g/mol
• D) 199 g/mol
• E) 188 g/mol