Hydrogen sulfide (H2S) is decomposed into its elements??
Hydrogen sulfide is composed of two elements: hydrogen and sulfur. In an experiment, 6.500 g of hydrogen sulfide is fully decomposed into its elements. If 0.384 g of hydrogen is obtained in this experiment, how many grams of sulfur must be obtained?
Update:why 6.109?
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Your numbers sugest that it didn't fully decompose. But you should obtain 6.109g of sulfur if you get that much hydrogen. What kind of experiment would force you to measure the mass of a gas to get the mass of a solid. Dumb.