Answer to Question #221617 in General Chemistry for lavaniyah

Question #221617

In an experiment regarding composition analysis, an unknown is first fully combusted and then the products are analyzed. Combustion of 1.38 g of the unknown sample which contains C, H, O and N yields 1.72 g of CO2 and 1.18 g of H2O. In a separate test, another sample of the unknown with a mass of 22.34 g is found to contain 6.75 g of O.

Calculate the mass of oxygen, O from the 1.38 g sample?


1
Expert's answer
2021-07-30T13:34:02-0400

22.34=6.75

1.38=?

"O=\\frac{1.38\u00d76.75}{22.34}=0.42g"

O=0.42g



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