已知:①NaClO溶液在受热或酸性条件下易分解;
②常温时N2H4·H2O(水合肼)能还原Ag(NH3)2+:
4Ag(NH3)2++N2H4·H2O=4Ag↓+N2↑+4NH4++4NH3↑+H2O
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