Question

1.A buffer solution is made using a weak acid, HA , that has a pKa of...

1.A buffer solution is made using a weak acid, HA , that has a pKa of 5 . If the pH of the buffer is 8 , what is the ratio of [A−] to [HA] ?

2. A buffered solution containing dissolved aniline, C6H5NH2, and aniline hydrochloride, C6H5NH3Cl, has a pH of 5.40.

A. Determine the concentration of C6H5NH3+ in the solution if the concentration of C6H5NH2 is 0.320 M.. The pKb of aniline is 9.13.

B. Calculate the change in pH of the solution, ,ΔpH, if 0.393 g NaOH is added to the buffer for a final volume of .1.30 L.Assume that any contribution of NaOH to the volume is negligible.

0 0
Add a comment Improve this question Transcribed image text
Request Professional Answer

Request Answer!

We need at least 10 more requests to produce the answer.

0 / 10 have requested this problem solution

The more requests, the faster the answer.

Request! (Login Required)


All students who have requested the answer will be notified once they are available.
Know the answer?
Add Answer to:
1.A buffer solution is made using a weak acid, HA , that has a pKa of...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Similar Homework Help Questions
  • A buffered solution containing dissolved aniline, C6H5NH2, and aniline hydrochloride, C6H5NH3Cl, has a pH of 5.65....

    A buffered solution containing dissolved aniline, C6H5NH2, and aniline hydrochloride, C6H5NH3Cl, has a pH of 5.65. a) Determine the concentration of C6H5NH3 in the solution if the concentration of C6H5NH2 is 0.230 M. The pKb of aniline is 9.13. [C6H5NH3+] = ______M b)Calculate the change in pH of the solution, ?pH, if 0.386 g NaOH is added to the buffer for a final volume of 1.45 L. Assume that any contribution of NaOH to the volume is negligible. pH =...

  • A buffered solution containing dissolved aniline, C6H5NH2, and aniline hydrochloride, C6H5NH3Cl, has a pH of 5.58...

    A buffered solution containing dissolved aniline, C6H5NH2, and aniline hydrochloride, C6H5NH3Cl, has a pH of 5.58 A. Determine the concentration of C6H5NH+3 in the solution if the concentration of C6H5NH2 is 0.275 M. The p?b of aniline is 9.13. A buffered solution containing dissolved aniline, C6H5NH2, and aniline hydrochloride, C6H5NH3Cl, has a pH of 5.58 . A. Determine the concentration of C6H5NH+3 in the solution if the concentration of C6H5NH2 is 0.275 M. The p?b of aniline is 9.13. B....

  • A buffered solution containing dissolved aniline, CH, NH,, and aniline hydrochloride, CH NH, CI, has a...

    A buffered solution containing dissolved aniline, CH, NH,, and aniline hydrochloride, CH NH, CI, has a pH of 5.61. A. Determine the concentration of C H NH in the solution if the concentration of C, H, NH, is 0.320 M. The pKb of aniline is 9.13. [CH, NH] = B. Calculate the change in pH of the solution, ApH, if 0.356 g NaOH is added to the buffer for a final volume of 1.65 L. Assume that any contribution of...

  • A buffered solution containing dissolved aniline, CH,NH, and aniline hydrochloride, CH NH, CI, has a pH...

    A buffered solution containing dissolved aniline, CH,NH, and aniline hydrochloride, CH NH, CI, has a pH of 5.48. A. Determine the concentration of CH NH in the solution if the concentration of C, H,NH, is 0.320 M. The pKb of aniline is 9.13. [C,H, NH] = B. Calculate the change in pH of the solution, ApH, if 0.390 g NaOH is added to the buffer for a final volume of 1.65 L. Assume that any contribution of NaOH to the...

  • A buffered solution containing dissolved aniline, CgHNH2, and aniline hydrochloride, CHNH3 Cl, has a pH of...

    A buffered solution containing dissolved aniline, CgHNH2, and aniline hydrochloride, CHNH3 Cl, has a pH of 5.33. A. Determine the concentration of CHNHt in the solution if the concentration of CHNH, is 0.275 M. The pKb of aniline is 9.13. C,HNH 0.0953 B. Calculate the change in pH of the solution, ApH, if 0.360 g NaOH is added to the buffer for a final volume of 1.95 L. Assume that any contribution of N2OH to the volume is negligible -0.980...

  • A buffered solution containing dissolved aniline, C_6H_5NH_2. and aniline hydrochloride, C_6H_5NH_3CI, has a pH of 5.33....

    A buffered solution containing dissolved aniline, C_6H_5NH_2. and aniline hydrochloride, C_6H_5NH_3CI, has a pH of 5.33. Determine the concentration of C_6H_5NH_3+ in the solution if the concentration of C_6H_5NH_2 is 0.275 M. The pK_b, of aniline is 9.13. Calculate the change in pH of the solution, Delta pH, if 0.369 g NaOH is added to the buffer for a final volume of 1.65 L. Assume that any contribution of NaOH to the volume is negligible.

  • O Resources Lx Give Up? Feedback Try Again Question 4 of 7 > Attempt 2 - A buffered solution containing dissolve...

    O Resources Lx Give Up? Feedback Try Again Question 4 of 7 > Attempt 2 - A buffered solution containing dissolved aniline, C, H, NH,, and aniline hydrochloride, C, H, NH, CI, has a pH of 5.35. A. Determine the concentration of C, H, NH in the solution if the concentration of C, H, NH, is 0.320 M. The pks of aniline 9.13. [C, H, NH;] = 0.106 B. Calculate the change in pH of the solution, ApH, if 0.363...

  • A buffered solution containing dissolved aniline, CH NH, and aniline hydrochloride, CH-NH, CI, has a pH...

    A buffered solution containing dissolved aniline, CH NH, and aniline hydrochloride, CH-NH, CI, has a pH of 5.49. A. Determine the concentration of CGH NH; in the solution if the concentration of CoH_NH, is 0.290 M. The pKy of aniline is 9.13. [C,H,NH] = M B. Calculate the change in pH of the solution, ApH, if 0.358 g NaOH is added to the buffer for a final volume of 1.55 L. Assume that any contribution of NaOH to the volume...

  • Please solve and don't copy from other answers. Thank you. The answer is also not -2.152....

    Please solve and don't copy from other answers. Thank you. The answer is also not -2.152. A buffered solution containing dissolved aniline, C6H5NH2, and aniline hydrochloride, C&HNH, CI, has a pH of 5.60. A. Determine the concentration of CH_NH, in the solution if the concentration of CH NH, is 0.335 M. The pKy of aniline is 9.13. [C,H, NH] = 0.0624 B. Calculate the change in pH of the solution, ApH, if 0.381 g NaOH is added to the buffer...

  • A buffered solution containing dissolved aniline, CH-NH2, and aniline hydrochloride, CH3NH, CI, has a pH of...

    A buffered solution containing dissolved aniline, CH-NH2, and aniline hydrochloride, CH3NH, CI, has a pH of 5.74. A. Determine the concentration of CH NH4 in the solution if the concentration of CH_NH, is 0.290 M. The pK) of aniline is 9.13. [CH, NH] : .006 M Incorrect B. Calculate the change in pH of the solution, ApH, if 0.363 g NaOH is added to the buffer for a final volume of 1.70 L. Assume that any contribution of NaOH to...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT