1.

Find pK if K is the overall complex dissociation equilibrium constant for [Cu(NH_(3))_(4)]^(2+) ion, given that beta_(4) for this complex is 2.0xx10^(13) :

Answer»

13.3
12.7
13.7
12.3

Solution :`K=(1)/(beta_(4))=(1)/(2)xx10^(-13)`
`pk=-log K=13+log 2=13.3`


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