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5 years ago
A gas mixture consists of N2, SO2, and Ar, where the mole fraction of N2 is 0.55 and the mole fraction of Ar is 0.25.  If the mixture is at STP in a 5.0 L container, how many molecules of SO2 are present?
A) 4.5 x 1022 molecules SO2
B) 2.7 x 1022 molecules SO2
C) 3.7 x 1023 molecules SO2
D) 1.1 x 1023 molecules SO2
E) 9.3 x 1024 molecules SO2
Textbook 
Chemistry: A Molecular Approach

Chemistry: A Molecular Approach


Edition: 4th
Author:
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