Question

a .72g sample of polyvinyl chloride is dissolved in 250.0ml of a suitable solvent at 25C. the solution has an osmotic pressure of 1.67mmHg.What is the molar mass of the PVC?
pi = MRT
Solve for M

M = moles/L
Solve for moles.

moles = grams/molar mass
Solve for molar mass.

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