____Pt+____HNO3+____HCI=>____H2PtCI6+____NO+____H2O怎么配平?

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____Pt+____HNO3+____HCI=>____H2PtCI6+____NO+____H2O怎么配平?

____Pt+____HNO3+____HCI=>____H2PtCI6+____NO+____H2O怎么配平?
____Pt+____HNO3+____HCI=>____H2PtCI6+____NO+____H2O怎么配平?

____Pt+____HNO3+____HCI=>____H2PtCI6+____NO+____H2O怎么配平?
0 +5 +4 +2
3Pt+4HNO3+HCI—3H2PtCI6+4NO+H2O 先用最小公倍数法配平氧化还原反应部分
升4 降3
3Pt+4HNO3+18HCI=3H2PtCI6+4NO+8H2O再配氯,然后是配氢,最后配氧.

3Pt+4HNO3+18HCI=3H2PtCI6+4NO+8H2O
Pt化合价升高4,N化合价下降3,所以Pt与HNO3比例为3:4
然后配平其他原子,得到3Pt+4HNO3+18HCI=3H2PtCI6+4NO+8H2O