Chemistry, 21.05.2021 08:50 ericsmith19
An unknown substance is obtained by police. The forensics laboratory has
determined it is made of nitrogen and oxygen. If 74.66 grams are nitrogen
and the police obtained a 250 gram sample, what is the percent
composition of oxygen in the sample?
Answers: 1
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An unknown substance is obtained by police. The forensics laboratory has
determined it is made of n...
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