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Question 15 • S1S: Chemistry B (E4912 - AG)

How can the pH of a solution be calculated if the pOH is known?

Answer

by taking the negative logarithm of pOH

by adding the pOH to 14

by raising 10 to the power of –pOH

by subtracting the pOH from 14

At 25°C, pH and pOH are related by pH + pOH = 14. Rearrange the equation to get pH = 14 − pOH, so you calculate pH by subtracting the pOH from 14.

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