When 0.72 g of a liquid is vaporized at 110°C and 0.967 atm, the gas occupies a volume of 0.559 L. The empirical formula of the gas is CH2. What is the molecular formula of the gas?
A) C4H8
B) CH2
C) C2H4
D) C3H6
E) none of these
Correct Answer:
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