Question

Using the literature/accepted Ka value where needed, calculate the expected pH of the titration mixture:

When 45 mL of NaOH has been added
At the equivalence point

RAW DATA AND OBSERVATIONS Table 1: Titration of acetic acid with O, DRH58 , mol L1 NaOH(aq) (5.5 marks) Concentration of acid


3. Locate the steepest part of the curve and read off the volume at this point, i.e. the equivalence p Also calculate the hal

Che pH Vs. Net Volume of NaOH Graph To Observe the Titration Curve of a Weak Acid with A Strong Base 14 12 10 8 6 0 525 50 47

0 0
Add a comment Improve this question Transcribed image text
Answer #1

ka of Cycoon a 1.8x6r Molarity of Chi won > 0.08687 m Volume = 25.00mL of moles of chloon - 2.28x103 mal Molcority of NaOHCome of 0.0 - 2.04X102 xloro (45+25) - 2.oy.. 0-029 m 70 pon. -log[on) m 1.54 PH+ pon - 14.0 Ph: 14.00-pou: 14.00-1.54 12.46+²+ 5.55x10ton - 5.97X101 - 0 na-5.55 x1680 + )(5.55x16!ol? + 4 (5.97X164) 2 : -5.55x100 + 13.06x1019 + 2.39x1690 – 5.581510

Add a comment
Know the answer?
Add Answer to:
Using the literature/accepted Ka value where needed, calculate the expected pH of the titration mixture: When...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • Using the literature/accepted value of Ka where needed, calculate the expected pH of the titration mixtire:...

    Using the literature/accepted value of Ka where needed, calculate the expected pH of the titration mixtire: a)before any NaOH has been added b)when 18.00 mL of NaOH has been added 10 - mL Table 1: Titration of acetic acid with 0.09458 mol L 1 NaOH(aq) (5.5 marks) Volume of acid sample:__25.00 Concentration of acid: 0.08887_mol L- Indicator methyl-red Colour change: dock pink to vellas yellow pH of color change: 6.62 Sharp or gradual change: Cadud Burette Cumulative Vol Burette Cumulativo...

  • 6. Using the literature accepted K value where needed, calculate the expected pH of the titra...

    6. Using the literature accepted K value where needed, calculate the expected pH of the titra (a) initially, before any NaOH(aq) has been added (5 marka) ard, calculate the expected pH of the titration inixture [1,07 = 1 (7.413x10-6.0.1030 mol/l) = 8.738810-4 pH = -log 8.73880-4 = 3.058 (b) when 18.00 mL of NaOH(aq) has been added (8 marks) Chemistry 1051 Laboratory Experiment (e when 45.00 mL of NaOH(aq) has been added (3 marks) (d) at the equivalence point (5...

  • Follow up questions 01. Find the accepted values for the pKa and Ka of acetic acid....

    Follow up questions 01. Find the accepted values for the pKa and Ka of acetic acid. How well do the accepted values compare with your calculated values? Explain. Lab 7 Determining Ka by the Half-Titration of a Weak Acid 1. Data table Titration Results NaOH volume at equivalence point NaOH volume at half equivalence point pH at the equivalence point pH at half equivalence point pKa of acetic acid Ka of acetic acid Trial 1 22.72 11.36 7.63 Trial2 23.26...

  • A student was conducting a titration experiment and was asked to calculate the theoretical pH of...

    A student was conducting a titration experiment and was asked to calculate the theoretical pH of the solution at various points in the titration curve. In this experiment, the student added 47.812 ml of a 2.765M solution of acetic acid to a 200ml beaker. The student then added 92.1 ml of deionized water and began to stir. Calculate the theoretical pH at the following. Initial pH before addition of any NaOH? Be sure to consider the change in volume due...

  • I'm not sure how to solve this! Any help is appreciated!   1.Draw the pH titration curve...

    I'm not sure how to solve this! Any help is appreciated!   1.Draw the pH titration curve for the titration of 35 mL of 0.150 M acetic acid with 0.200 m Include the pH values and NaOH volume requested below on your pH titration curve. Al curve the species that dictates the pH at the requested pH values. For acetic acid, Ka = 1.885 in your pH titration curve. Also, put on the 1) the initial pH 2) the pH after...

  • Determine the pH during the titration of 29.5 mL of 0.324 M acetic acid (Ka =...

    Determine the pH during the titration of 29.5 mL of 0.324 M acetic acid (Ka = 1.8×10-5) by 0.414 M NaOH at the following points. (a) Before the addition of any NaOH ________ (b) After the addition of 5.70 mL of NaOH _______ (c) At the half-equivalence point (the titration midpoint) _______ (d) At the equivalence point _______ (e) After the addition of 34.6 mL of NaOH ________

  • 1.Draw the pH titration curve for the titration of 35 mL of 0.150 M acetic acid with 0.200 M NaOH. Include the pH v...

    1.Draw the pH titration curve for the titration of 35 mL of 0.150 M acetic acid with 0.200 M NaOH. Include the pH values and NaOH volume requested below on your pH titration curve. Also, put on the curve the species that dictates the pH at the requested pH values. For acetic acid, K = 1.8 x 10%. 1) the initial pH 2) the pH after 15.0 mL of NaOH have been added 3) the volume of NaOH at the...

  • The half‑equivalence point of a titration occurs half way to the equivalence point, where half of...

    The half‑equivalence point of a titration occurs half way to the equivalence point, where half of the analyze has reacted to form its conjugate, and the other half still remains unreacted. If 0.4400.440 moles of a monoprotic weak acid (?a=7.2×10−5)(Ka=7.2×10−5) is titrated with NaOH,NaOH, what is the pH of the solution at the half‑equivalence point? pH=pH= 2) A volume of 500.0 mL500.0 mL of 0.120 M0.120 M NaOHNaOH is added to 565 mL565 mL of 0.250 M0.250 M weak acid...

  • What is the pH at one half of the equivalence point? There is NO Ka value given. There is NO Ka value of the ace...

    What is the pH at one half of the equivalence point? There is NO Ka value given. There is NO Ka value of the acetic acid given. Consider the titration of a 25.0 - mL sample of 0.110 M HC,H,O, with 0.130 M NaOH. Determine each of the following.

  • Consider a titration of 20.00mL cyanic acid solution (Ka=3.5x10^-4) with 0.1082 M solution of sodium hydroxide....

    Consider a titration of 20.00mL cyanic acid solution (Ka=3.5x10^-4) with 0.1082 M solution of sodium hydroxide. The volume of 21.70 mL of NaOH(aq) was needed to reach the equivalence point. Calculate: a) the concentration of the cyanic acid solution before the titration b) the pH of the cyanic acid solution before the titration c) the pH of the solution at half-equivalence point

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