Multiple Choice
A gaseous compound is 30.4% nitrogen and 69.6% oxygen by mass.A 5.25-g sample of the gas occupies a volume of 1.00 L and exerts a pressure of 1.26 atm at -4.0°C.Which of these choices is its molecular formula?
A) NO
B) NO2
C) N3O6
D) N2O4
E) N2O5
Correct Answer:

Verified
Correct Answer:
Verified
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