Introduction to acid-base theory
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- Recall how pH is measured in solutions.
- A solution has an H3O+ concentration of 0.07 mol dm-3. What is its pH?
- What is the pH of the solution if the concentration is doubled?
- How many times more acidic is a solution at pH 2 than a solution at pH 5?
- Understand water's properties to act as an acid and a base.
Water (H2O) is an amphiprotic molecule.
- Explain what this means in terms of acids and bases.
- Write two chemical equations to show this property.