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A nonvolatile organic compound Z was used to make up a solution. Solution A contains 5.00...

A nonvolatile organic compound Z was used to make up a solution. Solution A contains 5.00 g of Z dissolved in 100 g of water and has a vapor pressure of 754.5 mmHg at the normal boiling point of water. Calculate the molar mass of Z in solution A.

I came up 111, but it was wrong.

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