问题描述:
写出以上化学方程式
问题解答:
SO2+2NaOH=Na2SO3+H2O
2Cu+O2=加热=2CuO
SO2+2NaOH=Na2SO3+H2O
或SO2+NaOH=NaHSO3
H2SO4+H2O=H2SO4-H2O
2Cu+O2=2CuO
H2SO4 + nH2O == H2SO4·nH2O
SO2+2NaOH=Na2SO4+H2O
2Cu+O2==高温==2CuO
SO2+2NaOH=Na2SO3+H2O
H2SO4+H2O=H2SO4-H2O
2Cu+O2=2CuO
ccccc