- Na2O = 23.2 + 16 = 62 (đvC)
- NaOH = 23 + 16 + 1 = 40 (đvC)
- Al2O3 = 27.2 + 16.3 = 150 (đvC)
- Na2S = 23.2 + 32 = 78 (đvC)
- AlCl3 = 27 + 35,5.3 = 133,5 (đvC)
- SO2 = 32 + 16.2 = 64 (đvC)
- SO3 = 32 + 16.3 = 80(đvC)
- H2O = 1.2 + 16 = 18 (đvC)
- H2S= 2 + 32 = 34 (đvC)