Chemistry - Liquid Solution Question with Solution | TestHub

ChemistryLiquid SolutionColligative PropertiesMedium2 minQB

ChemistryMediumsingle choice

Insulin is dissolved in a suitable solvent and the osmotic pressure $π$ in atm of solutions of various concentrations C in $g / cm^{3}$ is measured at $2 7^{\circ} C$ . The slope of plot of $π$ against C is found to be $4.1 \times 1 0^{- 3} atm cm^{3} g^{- 1}$ . The molecular mass of insulin is:

Options:

Answer:

Solution:

$π = (\frac{w}{V}) \frac{1}{M} RT$

$π = C (\frac{RT}{M})$

The slope of a plot of $π$ vs $C$ is given by:

$\frac{RT}{M} = 4.1 \times 1 0^{- 3}$

$M = \frac{0.0821 \times 300}{4.1 \times 1 0 ^{- 3}} = \frac{1000 \times 0.0821 \times 300}{4.1 \times 1 0 ^{- 3}} = 6 \times 1 0^{6}$

Stream:JEESubject:ChemistryTopic:Liquid SolutionSubtopic:Colligative Properties

⏱ 2mℹ️ Source: QB

Doubts & Discussion

Loading discussions...