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A solution has a pH of 2.5. What is its [OH-] ? 3.2 x 10-3 3.2 x 10-12 3.2 x 10-2 11.5

A solution has a pH of 2.5. What is its [OH-] ? 3.2 x 10-3 3.2 x 10-12 3.2 x 10-2 11.5
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A solution has a pH of 2.5. What is its [OH-] ?

3.2 x 10-3

3.2 x 10-12

3.2 x 10-2

11.5

asked
User Blakes Seven
by
7.9k points

1 Answer

3 votes

pH + pOH = 14

pH = 2.5 then pOH = 11.5

[OH-] = 10^(-pOH) =10^(-11.5)

= 3.2 x 10^(-12)

answered
User Alvin John Babu
by
8.1k points
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