Find the concentration and ph solution

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Reference no: EM1317066

Find the concentration and pH solution.

1.What is the concentration of Cu2+ in a solution that is 0.10 M Cu(NH3)42+? (Kf = 1.2 x 1012)

A.8.5 x 10-5

B.2.8 x 10-4

C.8.0 x 10-4

D.5.1 x 10-4

E.3.8 x 10-4

2.What is the concentration of Ni2+ in a solution that is 1.0 M Ni(NH3)62+? (Kf = 1.8 x 108)

A.7.2 x 10-4

B.2.1 x 10-4

C.1.4 x 10-2

D.3.2 x 10-4

E.5.8 x 10-4

3. What is the pH of a solution of 0.65 M acid and 0.51 M of its conjugate base if the pKa = 5.30?

A.5.19

B.6.05

C.5.62

D.5.85

E.5.41

Reference no: EM1317066

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