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Chemistry 19 Online
OpenStudy (anonymous):

"Rotten egg" gas, hydrogen sulfide, reacts with oxygen according to the equation: 2H2S +3O2 -> 2SO2 +2H2O 6.8grams of H2S and 0.8 grams of O2 were placed in the reaction vessel. Determine: (i) which reagent was in excess. (ii) the mass of sulfur dioxide produced.

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