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At a constant temperature, the vapor pressure of water (molar mass = 18.0 g/mol) is 6.77 kPa and the vapor pressure of ethanol (46.07/mol) is 8.24 kPa. Assuming they behave like ideal solutions, what is the total vapor pressure if 50.0 g of water and 30.0 g of ethanol are mixed?

Correct!