Pt+HNO3+HCl=H2PtCl4+NO2+H2O怎么配平?
问题描述:
Pt+HNO3+HCl=H2PtCl4+NO2+H2O怎么配平?
答
Pt+2HNO3+4HCl=H2PtCl4+2NO2+2H2O
系数分别是
1 2 4 =1 2 2
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