摘要:1.(1) (2)Cu+4H++2NO3―=Cu2++2NO2↑+2 H2O (3)4OH―-4e― = O2↑+2 H2O (或2H2O-4e― = O2↑+2 H+ ) (4)2NH3+3CuO N2+3Cu+3H2O (5)1:2

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