1nAg=nAgCl=>%Ag=59.9%A2vi khi Mg pu het thinCu=nMg=0.01 mKl=1.76Fe co puFe+CuSO4-->FeSO4+Cu1 1 1 1mtang=8g0.015 0.015 0.015mtang tt=0.12g=>nCuSO4=0.025=>CM=0.1MA3 gia su 100g quang=>nFe=2nFe2O3=1molnSi=nSiO2=1/6=>%Fe=56%%Si=4.67%A4[OH-]=0.01=>nOH-=0.01=>nBa=1/2nOH-=0.005=>m=0.685A
1nAg=nAgCl=>%Ag=59.9%A2vi khi Mg pu het thinCu=nMg=0.01 mKl=1.76<mtt=>Fe co puFe+CuSO4-->FeSO4+Cu1 1 1 1mtang=8g0.015 0.015 0.015mtang tt=0.12g=>nCuSO4=0.025=>CM=0.1MA
1nAg=nAgCl=>%Ag=59.9%A2vi khi Mg pu het thinCu=nMg=0.01 mKl=1.76Fe co puFe+CuSO4-->FeSO4+Cu1 1 1 1mtang=8g0.015 0.015 0.015mtang tt=0.12g=>nCuSO4=0.025=>CM=0.1MA
3 gia su 100g quang=>nFe=2nFe2O3=1molnSi=nSiO2=1/6=>%Fe=56%%Si=4.67%A4[OH-]=0.01=>nOH-=0.01=>nBa=1/2nOH-=0.005=>m=0.685A