Ask Question
8 October, 01:51

A buffered solution containing dissolved aniline, C 6 H 5 NH 2, and aniline hydrochloride, C 6 H 5 NH 3 Cl, has a pH of 5.47. A. Determine the concentration of C 6 H 5 NH + 3 in the solution if the concentration of C 6 H 5 NH 2 is 0.215 M. The p K b of aniline is 9.13.

+1
Answers (1)
  1. 8 October, 02:11
    0
    Answer: the concentration of C6H5 NH3 + = 0.031M

    Explanation:

    From question pH = 5.47

    pH+pOH = 14

    pOH = 14-5.47 = 8.53

    Using the Henderson Hasselbalch equation

    pOH = pKb + log (salt/base)

    8.53 = 9.13 + log (salt/0.125)

    8.53-9.13 = log (salt/0.125)

    -0.6 = log (salt/0.125)

    Antilog (-0.6) = salt/0.125

    0.251 = salt/0.125

    Salt conc. = 0.125*0.251=0.031M
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “A buffered solution containing dissolved aniline, C 6 H 5 NH 2, and aniline hydrochloride, C 6 H 5 NH 3 Cl, has a pH of 5.47. A. Determine ...” in 📙 Chemistry if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers