Assume the pH of household bleach is 12. What is the hydronium ion concentration in household bleach? What is it hydroxide ion concentration?
Please show all work

[H3O+] = 1.0*10^-12 M

[OH-] = 0.01 M

Explanation:

We can use the following equation to find the hydronium ion concentration.  Plug in the pH and solve for H3O+.

pH = -log[H3O+]

[H3O+] = 1.0*10^-12 M

Now, to find the hydroxide ion concentration we will use the two following equations.

14 = pH + pOH

pOH = -log[OH-]

14 = 12 + pOH

pOH = 2

2 = -log[OH-]

[OH-] = 0.01 M

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