Na2S + 2HCl = 2NaCl + H2S
2Na(+1) + S(-2) + 2H(+) + 2Cl(-) = 2Na(+) + 2Cl(-) + H2S
S(-2) + 2H(+) = H2S
Na2S + 2HCl = 2NaCl + H2S
2Na(+1) + S(-2) + 2H(+) + 2Cl(-) = 2Na(+) + 2Cl(-) + H2S
S(-2) + 2H(+) = H2S