A solution containing 20.0 grams of a nonvolatile solute in exactly 1. – InterviewSolution

1.	A solution containing 20.0 grams of a nonvolatile solute in exactly 1.00 mole of volatile solvent has a vapoure pressure of 0.500 atm at 20^(@)C. A second mole of solvet is added to the mixture, and the resulting solution has a vapoure pressure of 0.550 at of 20^(@)C. What is the molecular weight of the solute ?( g/mole)
Answer» `45.0` `90.0` `20.0` `50.0` ANSWER :B

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