58. Solving a chemistry problem

58. Solving a chemistry problem

189. Task 1. Write the dissociation equations and dissociation constants for weak electrolytes.
Task 2. According to the given ionic equations, write the corresponding molecular equations.
Task 3. Write in molecular and ionic forms the reaction equations for the following transformations.

No.
p/p Task 1 Task 2 Task 3
189 ZnCl2,
Cr(OH)3 NiOHCl H = Ni2 H2O Cl- BaBr2 BaCO3 H2CO3 NaHCO3

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