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Important Notice: pH = negative value of the log10 of the hyronium concentration, which is very low, mostly << 1. The answer is corrected now, accordingly.

We know that pH= -log[H3O+] so the concentration of the solution is 10-pH which is equal to 10-6 (not 10+6 !!)

For the concentration of hydroxide we'll use the reasoning that pH + pOH=14 and since we know the pH we can deduce that pOH is 8 and once we know the pOH of the solution, we know that pOH=-log[OH]= 8.0

So we can use the sameprinciple as that of the pH to find the concentration of hydroxide ions!! [OH-] = 10-pH = 10-8

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15y ago

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