Question: The hydrocarbon naphthalene was frequently used in mothballs until recently

The hydrocarbon naphthalene was frequently used in mothballs until recently, when it was discovered that human inhalation of naphthalene vapors can lead to hemolytic anemia. Naphthalene is 93.71% carbon by mass, and a 0.256-mole sample of naphthalene has a mass of 32.8 g. What is the molecular formula of naphthalene? This compound works as a pesticide in mothballs by sublimation of the solid so that it fumigates enclosed spaces with its vapors according to the equation Naphthalene(s) ⇌ naphthalene(g) K = 4.29 × 10-6 (at 298 K)
If 3.00 g of solid naphthalene is placed in an enclosed space with a volume of 5.00 L at 25oC, what percentage of the naphthalene will have sublimed once equilibrium has been established?


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  • CreatedMay 05, 2015
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