A buffer is prepared by mixing 200.0 mL of 0.1500 M NaOH with 200.0 mL of...

Question

Question

A buffer is prepared by mixing 200.0 mL of 0.1500 M NaOH with 200.0 mL of 0.200 M Benzoic Acid (a

monoprotic carboxylic acid) in a 1-L volumetric flask and then diluted to volume with distilled deionized

water. Calculate the pH of the buffer. Ka= 6.28 × 10−5and pKa= 4.01.

A. 3.53

B. 4.01

C. 4.49

D. 7.00

E. 11.49

Answer 1

Answer #1

Answer 2

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