a solution of potassium hydroxide has a concentration of 3.40 x 10-5M what is the approximate...

Question

Question

a solution of potassium hydroxide has a concentration of 3.40 x 10^-5M what is the approximate pH of the solution?

science chemistry

Answer 1

Answer #1

[KOH] =3.40 x 10^-5M

since it is a strong electrolyte

[OH-]=3.40 x 10^-5M

pOH = -log{OH-] = -log[3.40 x 10^-5M ]

= 4.468

we have

pH +pOH = 14

pH = 14- pOH =9.531

Answer 2

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