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What is the net ionic equation for the reaction between FeS and HCl?
A. FeS(s) + 2H+(aq) à H2S(g) + Fe2+(aq)
B. FeS(s) + 2H+(aq) + 2Cl-(aq) à H2S(g) + FeCl2(s)
C. FeS(s) + 2H+(aq) + 2Cl-(aq) à H2(g) + S(s) + FeCl2(s)
D. Fe2+(aq) + S2-(aq) + 2H+(aq) + 2Cl-(aq) à H2S(g) + FeCl2(s)
E. S2-(aq) + 2H+(aq) à H2S(g)
why A is answer?
A. FeS(s) + 2H+(aq) à H2S(g) + Fe2+(aq)
B. FeS(s) + 2H+(aq) + 2Cl-(aq) à H2S(g) + FeCl2(s)
C. FeS(s) + 2H+(aq) + 2Cl-(aq) à H2(g) + S(s) + FeCl2(s)
D. Fe2+(aq) + S2-(aq) + 2H+(aq) + 2Cl-(aq) à H2S(g) + FeCl2(s)
E. S2-(aq) + 2H+(aq) à H2S(g)
why A is answer?