A solution is made by mixing 52.1 grams of propul chloride, C3H7Cl, and 38.4 grams of propyl bromide, C3H7Br. what is the vapor pressure of propyl chloride in the solution at 25 celsius? the vapor pressure of pure propyl chloride is 347 torr at 25 celsius and that of pure propyl bfromide is 133 torr at 25 celsius. assume that the solution is an ideal solution.