What is the pH of 0.001 mol dm 3 solution of sodium hydroxide?

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What is the pH of 0.001 mol dm3 solution of sodium hydroxide?

  • A) 14
  • B) 13
  • C) 12
  • D) 11

Correct Answer: D) 11

Explanation

The correct answer is 11. pH = -log(H+) Or 14 - pOH pOH = -log(0.001) pOH = 3 pH = 14 - 3 = 11


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