1. The pH of the solution is found to be 9. What are the hydronium and...

Question

Question

1. The pH of the solution is found to be 9. What are the hydronium and the hydroxide ion concentration?

Answer 1

Answer #1

PH = 9

PH = -log[H3O^+]

PH = 9

-log[H3O^+] = 9

[H3O^+] = 10^-9M

hydronium ion concentration = 10^-9M

Kw = [H3O^+][OH^-]

[OH^-] = Kw/[H3O^+]

= 1*10^-14/(10^-9)

= 1*10^-5 M

hydroxide ion concentration = 10^-5M

Answer 2

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