Na2CO3+2H2O=H2CO3+2NaOH
Al2S3+6H2O=3H2S+2Al(OH)3
Al2(NO3)3+3H2O=3H2NO3+2Al(OH)3
1)Na2CO3+HOH=NaHCO3+NaOH
2)Al2S3+6HOH=2Al(OH)3+3H2S
3)Al(NO3)3+HOH=AlOH(NO3)2+HNO3
Na2CO3+2H2O=H2CO3+2NaOH
Al2S3+6H2O=3H2S+2Al(OH)3
Al2(NO3)3+3H2O=3H2NO3+2Al(OH)3
1)Na2CO3+HOH=NaHCO3+NaOH
2)Al2S3+6HOH=2Al(OH)3+3H2S
3)Al(NO3)3+HOH=AlOH(NO3)2+HNO3