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OpenStudy (anonymous):
The vapor pressure of diethyl ether is 463.57mmHg at 25C. You need to add estrogen (MW 272.4g/mol) to 150.4 grams of diethyl ether (MW 74.12 g/mol) to reduce the vapor pressure to 453.46mmHg. How many moles of estrogen are in the solution? - I already found the Psolution=453.46mmHg and the P of diethyl ether 463.57mmHg and X of diethyl ether 0.9782 and mol of diethyl ether is 2.029 mol.
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