问题标题:
化合价升降法配平:P+HNO3+H2O=H3PO4+NOCU+HNO3=CU(NO3)2+NO+H2OS+NAOH=NAS+NA2SO3+H2OKMNO4+HCL=KCL+MNCL2+CL2+H2OKMNO4+H2C2O4+H2SO4=CO2+MNSO4+K2SO4+H2O
问题描述:
化合价升降法配平:P+HNO3+H2O=H3PO4+NOCU+HNO3=CU(NO3)2+NO+H2OS+NAOH=NAS+NA2SO3+H2O
KMNO4+HCL=KCL+MNCL2+CL2+H2O
KMNO4+H2C2O4+H2SO4=CO2+MNSO4+K2SO4+H2O
孙金刚回答:
3P+5HNO3+2H2O=3H3PO4+5NO
3Cu+8HNO3=3Cu(NO3)2+2NO+4H2O
3S+6NaOH=2Na2S+Na2SO3+3H2O
2KMnO4+16HCl=2KCl+2MnCl2+5Cl2+8H2O
2KMnO4+5H2C2O4+3H2SO4=10CO2+2MnSO4+K2SO4+8H2O
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