69. Solving a chemistry problem
2. Calculate the constant and degree of hydrolysis of the Cu(NO3)2 salt in an aqueous solution, if Cm (salts) = 0.01 mol/l, and the dissociation constant of copper hydroxide in the second stage has the value of KD,2 = 3.4∙. Find the pH value of this solution. Consider only the first hydrolysis step.
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