If a solution has an [H+] = 2.5 × 10^5 M, then what is the concentration of OH-?

Question

ChemTeam · Accepted Answer

[H^+] [OH^-] = 1.00 x 10^-14

[2.5 x 10^-5] [OH^-] = 1.00 x 10^-14

[OH^-] = 4.0 x 10^-10 M

You missed typing the minus sign on the exponent for the [H^+], but I knew what you meant.

This equation is also useful:

pH + pOH = 14

Dr W · Answer

asked, answered and trolled dozens of times for weeks now.

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