Chemistry, 19.04.2021 23:38 tfyvcu8052
• Perform calculations relating [H3O+], pH, [OH−], and pOH. Below are the ones that are most important in this module.
o pH = –log [H3O+]
o pOH = –log [OH–]
o Kw = [H3O+][OH–] = 1× 10–14
o pKw = pH + pOH = 14.00
1. What is the pOH of a 0.0085 M KOH solution?
2. What is the [OH-] for a solution at 25°C that has pH = 4.29?
3. What is the [H3O+] for a solution at 25°C that has pOH = 5.640?
4. If the pH of a solution is determined to be 7, what would be the concentration of [H3O+]? What type of solution is it?
5. Determine the concentration of [H3O+] of the solution, given that the concentration of [OH-] = 1 x 10-8 M. What type of solution is it?
6. What is the pH of a 0.75 M HNO3 solution?
7. What is the pH of a 0.050 M LiOH solution?
8. What is the [OH-] for a solution at 25°C that has [H3O+] = 2.35 x10-3 M?
Answers: 2
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• Perform calculations relating [H3O+], pH, [OH−], and pOH. Below are the ones that are most importa...
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