Aniline hydrochloride, [C6H5NH3]Cl, is a weak acid. Its conjugate base is the weak base aniline, C6H5NH2. Ka= 2.40 X 10-5. C6H5NH3+(aq) + OH-(aq) → C6H5NH2(aq) +H2O(l) Assume 50.0 mL of 0.100 M aniline hydrochloride is titrated with 0.200 M NaOH. What is the pH at the equivalence point?

Chemistry

answer

watching

2,564

views

viridiandog782Lv1

11 Dec 2019

Aniline hydrochloride, [C₆H₅NH₃]Cl, is a weak acid. Its conjugate base is the weak base aniline, C₆H₅NH₂. K_a= 2.40 X 10^-5.

C₆H₅NH₃⁺_(aq) + OH^-_(aq) → C₆H₅NH_2(aq) +H₂O_(l)

Assume 50.0 mL of 0.100 M aniline hydrochloride is titrated with 0.200 M NaOH. What is the pH at the equivalence point?

answer

watching

2,564

views

For unlimited access to Homework Help, a Homework+ subscription is required.

You have 0 free answers left.
Get unlimited access to 3.8 million step-by-step answers.

Get unlimited access

Already have an account? Log in

Alyssa Mae RemarimLv10

25 Dec 2020

Unlock all answers

Get 1 free homework help answer.

Already have an account? Log in

Join us on Discord

Chemistry Study Group

Join now

Related questions

1.)How many grams of dipotassium succinate trihydrate (K2C4H4O4Â·3H2O, MW = 248.32 g/mol) must be added to 650.0 mL of a 0.0459 M succinic acid solution to produce a pH of 5.822? Succinic acid has pKa values of 4.207 (pKa1) and 5.636 (pKa2).

2.)A buffered solution containing dissolved aniline, C6H5NH2, and aniline hydrochloride, C6H5NH3Cl, has a pH of 5.72.
a) Determine the concentration of C6H5NH3 in the solution if the concentration of C6H5NH2 is 0.335 M. The pKb of aniline is 9.13.
b) Calculate the change in pH of the solution, ?pH, if 0.370 g NaOH is added to the buffer for a final volume of 1.60 L. Assume that any contribution of NaOH to the volume is negligible.

3.)A buffer with a pH of 4.10 contains 0.27 M of sodium benzoate and 0.34 M of benzoic acid. What is the concentration of [H ] in the solution after the addition of 0.058 mol of HCl to a final volume of 1.5 L? Assume that any contribution of HCl to the volume is negligible.

1. Explain what happen to man who have an acidic blood fluid in his body.

2. 0.1 M solution of weak acid has pH=4.0. Calculate pK_a.

3. 20 mL of 0.1 M solution of weak acid was mixed with 8 mL 0.1 M solution of NaOH. Measured pH was 5.12. Calculate pK_a.

4. Calculate the pH of a 0.2M solution of ammonia. K_a=5.62Ã10^-10 .

5. Calculate pH of 0.01 M aniline hydrochloride. Aniline pK_b=9.4.

6. Why CH4 molecule is not capable for hydrogen bond?

7. Discuss the properties of water that make it a good solvent and buffer.

8. Describe about amphipathic.