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What is the percent composition by mass of benzene?
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What is the percent composition by mass of benzene?

User Charlest
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Answer:

25.0%

A solution of benzene (C6H6) and toluene (C7H8) is 25.0% benzene by mass. At 25 °C the vapor pressures of pure benzene and pure toluene are 94.2 torr and 28.4 torr, respectively.

User Jhujhul
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