mols glycerin = grams/molar mass = ?
mols H2O = grams/molar mass = ?
mols fraction glycerin = Xgly = mols glycerin/total mols.
Then pH2O = Xglycerin*PoH2O
Calculate the vapor pressure of a solution containing 28.7g of glycerin (C3H8O3) in 136mL of water at 30.0 ∘C. The vapor pressure of pure water at this temperature is 31.8 torr. Assume that glycerin is not volatile and dissolves molecularly (i.e., it is not ionic) and use a density of 1.00 g/mL for the water.
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