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At a certain temperature, the vapor pressure of benzene is (C6H6) is 0.93 atm. A solution was prepared by dissolving 10.0g of a nondissociating, nonvolatile solute in 78.11 g of benzene at that temperature. The vapor pressure of the solution was found to be 0.900 atm. Assuming the solution behaves ideally, determine the molar mass of the solute.