Table of Contents
- 1 What happens when a weak acid and strong base react?
- 2 What are these weak acids and bases called?
- 3 What are strong acid and weak acids?
- 4 What does a weak acid and weak base produce?
- 5 Are weak acids or bases that can react with strong acids or bases to prevent sudden changes in pH?
- 6 Are buffers weak acids or bases that can react with strong acids or bases to prevent sudden changes in pH?
What happens when a weak acid and strong base react?
When a weak acid and a strong base are mixed, they react according to the following net-ionic equation: HA(aq) + OH⁻(aq) → A⁻(aq) + H₂O(l). If the base is in excess, the pH can be determined from the concentration of excess OH⁻. …
What are these weak acids and bases called?
Weak Acids & Bases
| Common Weak Acids | Common Weak Bases | |
|---|---|---|
| Hydrofluoric | HF | ammonium hydroxide |
| Hydrocyanic | HCN | water |
| Hydrogen sulfide | H2S | HS− ion |
| Water | H2O | conjugate bases of weak acids |
Are buffers strong acids and weak bases?
A buffer is simply a mixture of a weak acid and its conjugate base or a weak base and its conjugate acid. Buffers work by reacting with any added acid or base to control the pH. These replacements of strong acids and bases for weaker ones give buffers their extraordinary ability to moderate pH.
What are strong acid and weak base?
A strong acid or alkali is one that is nearly or completely ionised in water. Examples are: hydrochloric acid, nitric acid and sulphuric acid. Sodium and potassium hydroxide are examples of strong bases. A weak acid or alkali, on the other hand, is only partially ionised in water.
What are strong acid and weak acids?
Strong acids are those that are completely ionized in body fluids, and weak acids are those that are incompletely ionized in body fluids.
What does a weak acid and weak base produce?
A weak acid and a strong base yield a weakly basic solution. A solution of a weak acid reacts with a solution of a strong base to form the conjugate base of the weak acid and the conjugate acid of the strong base. A weak acid plus a weak base can yield either an acidic, basic, or neutral solution.
What are weak and strong acids and bases?
What are strong acids and weak acids?
Are weak acids or bases that can react with strong acids or bases to prevent sudden changes in pH?
Buffers are weak acids or bases that can react with strong acids or bases to prevent sudden changes in pH.
Are buffers weak acids or bases that can react with strong acids or bases to prevent sudden changes in pH?
A buffer is a solution that is resistant to changes in pH. Buffers work by converting strong acids or bases into weak acids or bases.