What is the pH of a solution of the strong base NaOH?

Answer and explanation

Correct answer: D. 12

  1. Step 1: Sodium hydroxide () is a strong electrolyte that dissociates completely in aqueous solution: .
  2. Step 2: Calculate the using the negative logarithm of hydroxide ion concentration: .
  3. Step 3: At , . Subtract to determine the : .
Answer
12.

Practise more Ionic equilibrium.

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