ALL questions must be answered. They must be CORRECT. The WORK must be shown. Th

Question

ALL questions must be answered. They must be CORRECT. The WORK must be shown. The ANSWER must be clear. Answer should be circled on paper or should be typed ANSWER: if typed.

1) http://i.imgur.com/7sstuxt.png

2) http://i.imgur.com/ZkqSGmg.png

3) http://i.imgur.com/ugieedc.png

Let me know if more time is needed and I can extend it. I will be keeping an eye on comments :)

ALL questions must be answered. They must be CORRECT. The WORK must be shown. The ANSWER must be clear. Answer should be circled on paper or should be typed ANSWER: if typed. Let me know if more time is needed and I can extend it. I will be keeping an eye on comments :)

Explanation / Answer

1) Ce(IO3)3 --- > Ce +3 + 3IO3-

Ksp = S x (3S)3

Ksp = 27 S4

given [IO3-] = 3S= 5.92 x 10-3

S= 1.973 x 10-3

Ksp = 27 x ( 1.973 x 10-3) 4

Ksp = 4.09 x 10-10

Ksp is 4.09 x 10-10

2) GIven M2Z ---> 2M+ + Z -2

Ksp = [ 2s]2 [ s]

Ksp = 4s3

4s3= 3.9 x 10-15

s= 9.92 x 10-6

solubility is 9.92 x 10-6 mol/L

3) E0 = E0 cathode - Eo anode

Eo = Eo Cu+2/Cu - Eo K+/k

Eo = 0.342 + 2.931

Eo = 3.273

Eo cell is 3.273 V

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