Concept explainers
(a)
Interpretation:
Whether the given
Concept introduction:
Buffer:
A buffer is a solution that can resist pH change upon the addition of an acidic or basic component. Buffer solution used to maintain the pH of the solution, when the small amount of acid or bases is added.
Buffer solution is containing of weak acid and its conjugate base, or weak base and its conjugate acid. Buffer solution is very important for the specific pH reaction where the stable pH is needed.
(b)
Interpretation:
Whether the given
Concept introduction:
Refer to part (a)
(c)
Interpretation:
Whether the given
Concept introduction:
Refer to part (a)
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Chemistry: Principles and Practice
- A buffer solution is prepared by adding 5.50 g of ammonium chloride and 0.0188 mol of ammonia to enough water to make 155 mL of solution. (a) What is the pH of the buffer? (b) If enough water is added to double the volume, what is the pH of the solution?arrow_forwardConsider the titration of HF (K a=6.7104) with NaOH. What is the pH when a third of the acid has been neutralized?arrow_forwardWhat is the pH of a buffer that is 0.150 M in a weak acid and 0.150 M in the acids conjugate base? The acids ionization constant is 6.8 106.arrow_forward
- What is meant by the capacity of a buffer? Describe a buffer with low capacity and the same buffer with greater capacity.arrow_forwardWhich of the following acids and its conjugate base would you use to make a buffer with a pH of 3.00? Explain your reasons: formic acid, lactic acid, nitrous acid.arrow_forwardCalculate the pH of these buffers.arrow_forward
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