123. Solving a chemistry problem
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123. Solving a chemistry problem
1. What pH value will an aqueous solution of nickel nitrate have if 0.5 l of the solution contains 1.82 g of Ni(NO3)2? Consider only the first hydrolysis step. The dissociation constant of nickel hydroxide in the second stage has the value KD,2 =2.5∙.
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