For each strong base solution, determine [OH], [H3O+], pH, and pOH. 1. 2.77×10 3

Question

For each strong base solution, determine [OH], [H3O+], pH, and pOH.

1. 2.77×103 M LiOH, determine [OH] and [H3O+].

[OH], [H3O+] = M  

2. For this solution determine pH and pOH.

pH, pOH =

3. 0.0412 M Ba(OH)2, determine [OH] and [H3O+].

4. For this solution determine pH and pOH.

5. 3.9×104 M KOH, determine [OH] and [H3O+].

[OH], [H3O+]=

6. For this solution determine pH and pOH.

pH, pOH =

7. 2.5×104 M Ca(OH)2, determine [OH] and [H3O+].

[OH], [H3O+] =

8. For this solution determine pH and pOH.

pH, pOH =

Explanation / Answer

1. LiOH ===> Li+ + OH-

2.77 x10^-3M LiOH gives OH- = 2.77 x10^-3M

[OH-] = 2.77 x10^-3M

[H+] = kw/2.77 x10^-3M = 3.6 x 10^-12M

pOH = - log[OH-] = 2.55

pH = 14- pOH = 11.45

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