droy
幼苗
共回答了17个问题采纳率:82.4% 举报
1 P4+10CuSO4+16H2O====10Cu+4H3PO4+10H2SO4
2 K2Cr2O7+6FeSO4+7H2SO4====Cr2(SO4)3+K2SO4+3Fe2(SO4)3+7H2O
3 2KMnO4+10H2C2O4+3H2SO4====2MnSO4+K2SO4+20CO2+8H2O
4 Cu+4HNO3====2NO2+Cu(NO3)2+2H2O
5 4Zn+10HNO3(极稀)====NH4NO3+4Zn(NO3)2+3H2O
6 4Zn+10HNO3(稀)====N2O+4Zn(NO3)2+5H2O
7 2KMNO4+16HCL(浓)====2MNCL2+2KCL+5CL2+8H2O
8 K2CR2O7+14HBR====2CRBR3+2KBR+3BR2+7H20
好费劲啊,配了半个小时,加些分吧
1年前
8