Homework Answers
a. 1. pH = 14 - pOH = 14 - 4.41 = 9.59
2. pOH = -log([OH-])
4.41 = -log([OH-])
Solving, [OH-] = 3.89 * 10-5 M
3. pH = -log([H+]) = 9.59
SOlving, [H+] = 2.57 * 10-10 M
b.
1. pOH = 14 - pH = 14 - 4.41 = 9.59
2. pOH = -log([OH-]) = 9.59
SOlving, [OH-]= 2.57 * 10-10 M
3. pH = -log([H+])
4.41 = -log([H+])
Solving, [H+] = 3.89 * 10-5 M
c. We have the relation: [OH-] * [H+] = 10-14
2.62 * 10-2 * [H+] = 10-14
Solving [H+] = 3.82 * 10-13 M
pOH = -log([OH-]) = 1.58
pH = -log([H+]) = 12.42
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