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6 Nov 2019

A mixture of oxygen and hydrogen is analyzed by passing it overhot copper oxide and through a drying tube. Hydrogen reduces theCuO to metallic Cu. Oxygen then reoxidizes the copper back to CuO.We know that 100 cm^3 of the mixture measured at 25C and 750 mmyields 84.5 cm^3 of dry oxygen measured at at 25C and 750mm afterpassage over CuO and the drying agent. What is the originalcomposition of the mixture? (Hint: First write balancedchemical equation for the reactions.)

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Jamar Ferry
Jamar FerryLv2
31 Aug 2019

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