Answer to Question #192133 in General Chemistry for Zubayer

Question #192133

A buffer solution is prepared via adding solution A (Sodium dihydrogen phosphate 27.6 gm up to 1000mL distilled water) and solution B (Disodium hydrogen phosphate 5.362gm up to 100mL distilled water). During preparation, 1000 mL buffer is prepared via adding 80mL of solution B to 920mL of solution A. Show a theoretical approach to calculate the pH of the buffer solution.



1
Expert's answer
2021-05-17T04:20:13-0400

Dihydrogen phosphate 27.6 gm up to 1000 mL distilled water) and

solution B (Disodium hydrogen phosphate 5.362 gm up to 100 mL

distilled water). During preparation, 1000 mL buffer is prepared

via adding 80 mL of solution B to 920 mL of solution A.


That is the theoretical method of calculating the ph of the buffer.


from above theoretical method the ph of the buffer solution came to 9.37.




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