Question

word equation FeS + HCl FeCl2 + H2S​

Answer 1

Answer:

Colorless gas with a strong odor of rotten eggs. [Note: Sense of smell becomes rapidly fatigued & can NOT be relied upon to warn of the continuous presence of H2S.

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Search by reactants (FeS, HCl)

1 HCl + FeS → H2S + FeCl2

2 HCl + H2O2 + FeS → H2O + H2SO4 + FeCl3