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A Mixture of Carbon Dioxide and an Unknown Gas Was

Question 153

Multiple Choice

A mixture of carbon dioxide and an unknown gas was allowed to effuse from a container. The carbon dioxide took 1.25 times as long to escape as the unknown gas. Which one could be the unknown gas?


A) Cl2
B) CO
C) HCl
D) H2
E) SO2

Correct Answer:

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