What is the pH of a solution where the concentration of H⁺ ions is 1.0 x 10⁻⁷ M?

Practice Questions

Q1
What is the pH of a solution where the concentration of H⁺ ions is 1.0 x 10⁻⁷ M?
  1. 7
  2. 6
  3. 8
  4. 5

Questions & Step-by-Step Solutions

What is the pH of a solution where the concentration of H⁺ ions is 1.0 x 10⁻⁷ M?
  • Step 1: Identify the concentration of H⁺ ions in the solution, which is given as 1.0 x 10⁻⁷ M.
  • Step 2: Use the formula for pH, which is pH = -log[H⁺].
  • Step 3: Substitute the concentration of H⁺ ions into the formula: pH = -log(1.0 x 10⁻⁷).
  • Step 4: Calculate the logarithm: -log(1.0 x 10⁻⁷) equals 7.
  • Step 5: Conclude that the pH of the solution is 7.
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