vapour pressure of solvent decreases by 1%on adding a non volatile sol – InterviewSolution

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1.	vapour pressure of solvent decreases by 1%on adding a non volatile solute Na2SO4. If it dissociate up to 25% then determine mole fraction of solute ,if solvent is 5 mole.
Answer» vapour pressure of solvent decreases by 1%on adding a non volatile solute ${N a}_{2} S O_{4}$ . If it dissociate up to 25% then determine mole fraction of solute ,if solvent is 5 mole.

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