21. Solving a chemistry problem

21. Solving a chemistry problem

39. Which compounds in an aqueous solution undergo hydrolysis, and which do not.
2. Write the reaction equations in molecular and ion-molecular form, explain why hydrolysis occurs, indicate the reaction of the medium of solutions of these substances
3. Specify the methods of enhancing and suppressing hydrolysis.

39.
Cr(NO3)3
CaCl2
K2SiO3

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