At 184 K the vapor pressures of compound A and compound B are 1274 and 224 torr, respectively. A certain liquid mixtures of these two compounds has a vapor pressure of 667 torr at 184 K. Find the mole fraction of the compound A in the vapor phase. Assume an ideal solution. O a. 0.269 O b. 0.403 O c. 0.806 O d. 0.201
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