the ka of benzoic acid is 630 10 5 the ph of a buffer prepared by combining 495 ml of 098 m pota

Name: the ka of benzoic acid is 630 10 5 the ph of a buffer prepared by combining 495 ml of 098 m potassium benzoate and 505 ml of 101 m benzoic acid is 5 group of answer choices 417 420 9 02869
Uploaded: 2022-06-15T09:32:01-08:00
Duration: 2 min 25 s
Channel: Shaiju T
Description: the ka of benzoic acid is 630 10 5 the ph of a buffer prepared by combining 495 ml of 098 m potassium benzoate and 505 ml of 101 m benzoic acid is 5 group of answer choices 417 420 9 02869

Question

Shaiju T · Accepted Answer

Step 1: Calculate the concentration of benzoate ion (C6H5COO-) and benzoic acid (C6H5COOH) in th

Question

The Ka of benzoic acid is 6.30 × 10-5. The pH of a buffer prepared by combining 49.5 mL of 0.98 M potassium benzoate and 50.5 mL of 1.01 M benzoic acid is ________.(5) Group of answer choices 4.17 4.20 9.77 0.515 4.23

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