Diethyl ether, CH;OC2Hs, is a component in some hair sprays, partly because it evaporates very quickly. It has a molar volume of 103.9 cm and a vapor temperature of 18.3 torr at 25.0°C. A spray can is pressurized with 3.30 atm of gaseous propane. What is the vapor pressure of the diethyl ether in the spray can?

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