4Na+O2=2Na2O
Na2O+H2O=2NaOH
2NaOH+CO2=Na2CO3+H2O
最后变成 Na2CO3
猜你喜欢
- 1They are enjoying themselves in Hollywood 改句纸
- 2已知两个代数式4a＋5与2a－1的值符号相同,求a的取值范围.
- 3They usually ride bike to work . 改一般疑问句/
- 4CH3COOH(aq)+NaOH=CH3COONa(aq)+H2O(l);ΔH 此时的ΔH为中和热吗
- 5居住地址的英文翻译
- 6在括号里填上适当的质数：26=( )+( )=( )+( )
- 7It takes him about an hour to do his homework every day .同义句
- 8I'll spend as much time as I can__after the flowers in the garden.
- 9过八边形的一个顶点的所有对角线可以把八边形分成（）个三角形
- 10化简：使分式的分子、分母各项的系数都为整数：0.3x-0.1/0.5x²-0.2y+1=?2分之1/2x+2/3y=?