In the combustion analysis of an unknown compound containing only carbon,hydrogen,and oxygen,the grams of oxygen are found from the grams of A)CO₂ only. B)H₂O only. C)CO₂and H₂O only. D)CO_2,H₂O and unknown compound.

Question

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In combustion analysis, the grams of oxygen are determined indirectly from the mass of CO2 and H2O produced, as well as the mass of the unknown compound. This is because the carbon and hydrogen in the compound are converted into CO2 and H2O, respectively, allowing for the calculation of the oxygen content in the original compound by difference.

In the Combustion Analysis of an Unknown Compound Containing Only