A solution is prepared by dissolving 588 g of an unknown non

A solution is prepared by dissolving 5.88 g of an unknown nonelectrolyte in enough water to make 0.355 L

of solution. The osmotic pressure of the solution is 1.21 atm at 27

Solution

p = CRT

p = 5.88/M*0.355 * 0.0821 * (273 + 27), where M is the molecular mass

1.21 = 5.88/M*0.355 * 0.0821 * (273 + 27)

Solving we get

M = 337.153 g/mol