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27-02-2024
Chemistry

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At 40°C, the vapor pressure of heptane is 92 torr. If a solution is made of naphthalene in heptane and has a vapor pressure of 82 torr, what is the mole fraction of naphthalene? Assume ideal solution behavior.

A. 0.891
B. 0.435
C. 0.487
D. 0.109
E. 1.109

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