7-ma’ruza mavzu: elеktrоlit eritmаlаr. Tuzlar gidrolizi. Ma’ruza rejasi

Savоl va tоpshiriqlar

1. 
   Quyidagi moddalar suvda eritilganda qanday ionlarga dissosiasiyalanishini yozing: Ca(OH)₂ ; H₂CO₃ ; AlCl₃ ; Cr ₂(SO₄)₃ ; Ba(H₂PO₄)₂ ; AlOH SO₄ ; ZnOHCl
   
2. 
   Quyidagi asos va kislotalarning bosqichli dissosiasiyalanish teglamalarni yozing Ba(OH)₂ ; Al(OH)₃ ; H₃AsO₄ ; H₂SO₃
   
3. 
   500g suvda 5,35g KJO₃ eritilishidan hosil bo`lgan eritmaning osmotik bosimi 17,5^oC da 2,18at.ga teng Eritmadagi KJO₃ izotonik koeffisientini va shartli dissosiasiyalanish darajasini hisoblab toping (javob: i=1,63; ).
   
4. 
   200g suvda 0,01 mol Na₂CO₃ eritilishidan hosil bo`lgan eritmaning shartli dissosiasiyalanish darajasi 0,70ga teng Eritmaning muzlash haroratini aniqlang (javob: 0,22^oC).
   
5. 
   Kumush yodidning 1 l toyingan eritmasida 0,044g AgJO₃ bor. AgJO₃ ning eruvchanlik qupaytmasini hisoblang (javob: 2,4·10^-2 ).