20 liters of hydrogen was combined with sulfur to find the mass and quantity of the substance hydrogen sulfide.

The reaction equation for the formation of hydrogen sulfide is as follows:

H2 + S = H2S

It shows that 1 mole of H2S is formed from 1 mole of H2. The reaction involved 20 / 22.4 = 0.89 mol of hydrogen, which means that the same amount of H2S was formed.

The molar mass of hydrogen sulfide is 34 g. Its mass obtained in the reaction is 0.89 * 34 = 30.36 g.



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