来自阮堃的问题
1.K2Cr2O7+KI+H2SO4-----K2SO4+I2+Cr2（SO4）3+H2O2.NaIO3+NaHSO3-----H2SO4+Na2SO4+I2+H2O3.H2C2O4+K2Cr2O7+H2SO4-----K2SO4+Cr2(SO4)3+CO2+H2O4.KClO3+HCl-----KCl+Cl2+H2O
1.K2Cr2O7+KI+H2SO4-----K2SO4+I2+Cr2（SO4）3+H2O
2.NaIO3+NaHSO3-----H2SO4+Na2SO4+I2+H2O
3.H2C2O4+K2Cr2O7+H2SO4-----K2SO4+Cr2(SO4)3+CO2+H2O
4.KClO3+HCl-----KCl+Cl2+H2O
1回答
2020-03-02 17:31