Question

Допишите полные реакции овр
2Na^0 + S^0= Na2S
Ca+S=CaS

Answer 1

2Na(0) +1e *2 = 2Na(+1) 2. 1
S(0) -2e = S(-2) 2 2. 1
2Na + S = 2Na + S

Ca + S = Ca(+2)S(-2)
Ca(0) +2e = Ca(+2) 2. 1
S(0) -2e = S(-2) 2 2 1
Ca+S= Ca + S