Zn + S (t)= ZnS
2Na + S (t)= Na2S
2Na + 2H2O = 2NaOH + H2 ==> 2NaOH + CuSO4 = Cu(OH)2 + Na2SO4
3S + 6NaOH(расплав)= Na2SO3 + 2Na2S + 3H2O
Итого: ZnS, Na2S, Na2SO4, Na2SO3.
Zn + S (t)= ZnS
2Na + S (t)= Na2S
2Na + 2H2O = 2NaOH + H2 ==> 2NaOH + CuSO4 = Cu(OH)2 + Na2SO4
3S + 6NaOH(расплав)= Na2SO3 + 2Na2S + 3H2O
Итого: ZnS, Na2S, Na2SO4, Na2SO3.