What is the effect of adding a base to a solution of a weak acid?

Practice Questions

Q1
What is the effect of adding a base to a solution of a weak acid?
  1. Increase in pH
  2. Decrease in pH
  3. No change in pH
  4. Increase in temperature

Questions & Step-by-Step Solutions

What is the effect of adding a base to a solution of a weak acid?
  • Step 1: Understand that a weak acid is a substance that partially dissociates in water, meaning it does not completely break apart into ions.
  • Step 2: Recognize that a base is a substance that can accept protons (H+ ions) from acids.
  • Step 3: When you add a base to a solution of a weak acid, the base reacts with some of the acid's H+ ions.
  • Step 4: This reaction reduces the number of free H+ ions in the solution, which decreases the acidity.
  • Step 5: As the acidity decreases, the pH of the solution increases, making it less acidic and more neutral.
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