Установите соответсвие между уравнением реакции и схемой полуреакции восстановления Cu+2H2SO4->CuSo4+SO2+2H2O
1) H+1+1e->H0
2) Cu0-2e->Cu+2
3) S+6+2e->S+4
4) S+4+2e->S+6​
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