Solution of task 211 of Chemistry Book Shimanovich 2003

Solution of task 211 of Chemistry Book Shimanovich 2003

211. Which of the salts RbCl, Cr2 (SO4) 3, Ni (NO3) 2, Na2SO3 undergo hydrolysis?
Make ion-molecular and molecular equations for the hydrolysis of the corresponding salts.
What pH value (> 7 <) are the solutions of these salts?

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