4 Jump est St. Paul CHE 1022 Spring17-CRANE I Activities and Due Dates I HW 15 G

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4 Jump est St. Paul CHE 1022 Spring17-CRANE I Activities and Due Dates I HW 15 Gradebook Print calculator Periodic Table Question 22 of 23 Sapung Learning The generic metal Aforms an insoluble sait ABXs and a complex ACs(aq. The equilibrium conoentrations a solution of AC's were found to be Al 0.100 M, IC1.00360M. in and LACJ 0.100M. Determine the formation constant, Ke, ofACs The of ABs) in a 1.000-M What is the Kn of AB? solution ofC(aq) is found to be 0.172 M o Previous ® Gave up sven solunan check Answer oNet HExe

Explanation / Answer

Reaction taking place is:

A + 5C ---> AC5

Formation constant, K = [AC5]/([A]*[C]5)

Putting values we get:

K = 0.1/(0.1*0.0365) = 1.653*107

For dissolution reaction the balanced equation is:

AB (s) ---> A + B

Ksp = [A][B]

Putting values:

Ksp = 0.172*0.172 = 0.02958

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