Question: Naphthalene, C 10 H 8 , is the substance present in some moth balls. Its vapor pressure at 25C is 0.300 mm Hg. (a) How

Naphthalene, C ₁₀H ₈, is the substance present in some moth balls. Its vapor pressure at 25°C is 0.300 mm Hg.

(a) How many milligrams of naphthalene will sublime into an evacuated 1.000-L flask?

(b) If 0.700 mg of naphthalene is used, what will the final pressure be? What physical state(s) of naphthalene is (are) in the flask?

(c) If 4.00 mg of naphthalene is used, what will the final pressure be? What physical state(s) of naphthalene is (are) in the flask?

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