2. What is the pH of a solution that has [H3O+] concentration of 1.0 × 10^-5?
3. A solution has a [OH-] = 1.0 × 10^-8. What is the pH?
Please explain equation setup if you are able. Thanks!
2.pH = -log[H+] or -log[H3O+]
so,
pH = -log(1.0 x 10^-5) = 5
3. pH + pOH = 14
pOH = -log[OH-]
pOH = -log[1.0 x 10^-8]
= 8
14-8 = pH = 6
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Verified answer
2.pH = -log[H+] or -log[H3O+]
so,
pH = -log(1.0 x 10^-5) = 5
3. pH + pOH = 14
pOH = -log[OH-]
so,
pOH = -log[1.0 x 10^-8]
= 8
14-8 = pH = 6