What is the pH of a solution that has [OH-] = 4.0 x 10-'M?

asked Feb 21, 2021 88.4k views

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5 votes

The answer is 13.60! I hope this helps

FrankPl answered Feb 22, 2021

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4 votes

Answer: 13.60

Step-by-step explanation:

(10^(-14) )/(4.0 x 10^(-) ) = 2.5 x10^-14 this =
[H_(3) O^(+) ]

pH = -log
[H_(3)O^(+) ]

pH= -log( 2.5 x10^-14) = 13.60

Andygeers answered Feb 27, 2021

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