- Na2O
\(PTK_{Na_2O}=23\times2+16=62\left(đvC\right)\)
- NaOH
\(PTK_{NaOH}=23+16+1=40\left(đvC\right)\)
- Na2SO4
\(PTK_{Na_2SO_4}=23\times2+32+16\times4=142\left(đvC\right)\)
- CaO
\(PTK_{CaO}=40+16=56\left(đvC\right)\)
- Ca(OH)2
\(PTK_{Ca\left(OH\right)_2}=40+2\times\left(16+1\right)=74\left(đvC\right)\)
- CaSO4
\(PTK_{CaSO_4}=40+32+16\times4=136\left(đvC\right)\)
- FeO
\(PTK_{FeO}=56+16=72\left(đvC\right)\)
- Fe(OH)2
\(PTK_{Fe\left(OH\right)_2}=56+2\times\left(16+1\right)=90\left(đvC\right)\)
- FeSO4
\(PTK_{FeSO_4}=56+32+16\times4=152\left(đvC\right)\)
- Fe2O3
\(PTK_{Fe_2O_3}=56\times2+16\times3=160\left(đvC\right)\)
- Fe(OH)3
\(PTK_{Fe\left(OH\right)_3}=56+3\times\left(16+1\right)=107\left(đvC\right)\)
- Fe2(SO4)3
\(PTK_{Fe_2\left(SO_4\right)_3}=56\times2+3\times\left(32+16\times4\right)=400\left(đvC\right)\)
-FeO
ptk = 56+16 =72
-Fe2O3
ptk = 56.2 + 16.3=160
...