написать полное ионное и молекулярное уравнение реакции: 2H(+) + S(2) = H2S
2H(+)+2Cl(-) + S(-2) + 2Na(+) = H2S+2Na(+)+2Cl(-)
2HCl + Na2S = H2S+2NaCl
H2SO4+Na2S=H2S+Na2SO4
2H(+)+SO4(2-)+2Na(+)+S(2-)=H2S+2Na(+)+SO4(2-)
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Verified answer
2H(+)+2Cl(-) + S(-2) + 2Na(+) = H2S+2Na(+)+2Cl(-)
2HCl + Na2S = H2S+2NaCl
Verified answer
H2SO4+Na2S=H2S+Na2SO4
2H(+)+SO4(2-)+2Na(+)+S(2-)=H2S+2Na(+)+SO4(2-)