<P> Iron sulfide reacts with hydrochloric acid, releasing hydrogen sulfide </P> <Dl> <Dd> FeS + 2 HCl → FeCl + H S </Dd> <Dd> FeS + H SO → FeO + H O + SO </Dd> </Dl> <Dd> FeS + 2 HCl → FeCl + H S </Dd> <Dd> FeS + H SO → FeO + H O + SO </Dd>

What is the product of fes + hcl
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