The OH- concentration in a solution having pH value 3 is____________________?
Correct answer: B. 10-11
- A. 10-3
- B. 10-11
- C. 10-10
- D. 10-13
Explanation
At 25°C, pH + pOH = 14, so pOH = 14 - 3 = 11. Hence [OH−] = 10^-11 mol/L.
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