Question

Give Properties of buffer solution. ​

Answer 1

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★ Properties of buffer solution -

✔1. the PH of buffer solution does not change appreciately upon the addition of small amount of either strong acid or strong base .

✔2. the Ph of buffer solution does not depend on the volume of solution.

✔3. the Ph of buffer solution remains constant even it is kept for a long time.

Answer 2

1. The pKa is the logarithmic form of the acid dissociation constant of the weak acid in the buffer. It is used to represent the strength of the weak acid in the buffer solution.

2. Good buffers have a high solubility in water, since most biological systems naturally use water as their solvent.

3. If the buffer passes through a cell membrane, it can accumulate inside the cell and alter the cell and affect the results of the experiment. Therefore, Good buffers will not pass through cell membranes.

4. High salinity can often have dehydrating effects on cells. Furthermore, some salts also react with other constituents present in the setup to form complications in the research. A Good buffer has minimal ionic content to reduce these complications.