1.氢氧根2.钠离子3.铵根离子4.铵气5.镁离子6.H3O+,能两两反应的有几组?

问题描述:

1.氢氧根2.钠离子3.铵根离子4.铵气5.镁离子6.H3O+,能两两反应的有几组?
能反应的请写出方程式,
那氢氧根和氨气会反应吗?

OH- + NH4+ = NH3·H2O
2OH- + Mg2+ = Mg(OH)2
OH- + H3O+ = 2H2O
NH3 + H3O+ = NH4+ + H2O
Mg2+ + 2NH3 + 2H2O = Mg(OH)2 + 2NH4+