1.

Professor Rogers measured the composition of gases in a sample. The sample contained 0.6 liters of oxygen, 0.7 liters of nitrogen, and 0.1 liters of carbon dioxide. What was the total volume of Professor Rogers?s sample?

A. 1.4 liters
B. 1.3 liters       
C. 0.14 liters                    
D. 0.104 liters
Answer» B. 1.3 liters       


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