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

Answer and explanation

Correct answer: A. 10

  1. Step 1: For strong base , hydroxide concentration is .
  2. Step 2: Compute .
  3. Step 3: Subtract from to find .
Answer
10.
Why not the others: 4 is the pOH () rather than pH (); 18 adds 14 and pOH instead of subtracting (); 11 adds rather than subtracts the constant term in the final step.

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