1. Вставьте коэффициенты в уравнения следующих реакций: а) P+ 0, = P,05; Fe + CI, = FeCl,;
б) Cu + HNO, Cu(NO3), + NO + H,0;
в) Al + 0, = А1,0; Na + S = Na,S;
г) NO, + H,0 = HNO3 + NO;
д) HCl + MnO, MnCI, + СІ, + H,0;
е) Fes, + 0, = Fe,0, + SO,.
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