# Define the term osmotic pressure. Describe how the molecular mass of a substance can be determined by a method based on measurement

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Define the term osmotic pressure. Describe how the molecular mass of a substance can be determined by a method based on measurement of osmotic pressure?

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π = CRT

π = $\frac{n}{V}$RT

πV = nRT

Osmotic pressure is inversely proportional to the molecular mass of the solute