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?

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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?

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Another question on Chemistry

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?