17- Consider the following titration curve that corresponds to the titration of a weak acid with a strong base. From the data shown, what is the approximate Ka of the acid? 16- Aluminum Al in a 3.533 g soil sample was determined by precipitating as Al2O (102.0 g/mol). The mass of theprecipitate was 0.0435 g. calculate the mass percent of Al (27.0 g/mol) in the sample.a) 0.65%b) 3.66%c) 27.1%d) 1.07%e) 14.5%17- Consider the following titration curve that corresponds to the titrationof a weak acid with a strong base. From the data shown, what is theapproximate Ka of the acid?a) 1x10-¹2b) 1x107c) 1x10-8d) 1x10-se) 1x10⁹Hd1412ON SON100200300100Volume of titrant, ml.400

Answered: Image /qna-images/answer/a00eb319-e4ed-4642-925a-6356fcb767d6.jpg

17- Consider the following titration curve that corresponds to the titration of a weak acid with a strong base. From the data shown, what is the approximate Ka of the acid? a) 1x10-¹2 b) 1x107 c) 1x10-8 d) 1x10-5 e) 1x10⁹ E 14 12 10 0 8642 0 0 100 200 300 Volume of titrant, ml. 400

17- Consider the following titration curve that corresponds to the titration of a weak acid with a strong base. From the data shown, what is the approximate Ka of the acid? a) 1x10-¹2 b) 1x107 c) 1x10-8 d) 1x10-5 e) 1x10⁹ E 14 12 10 0 8642 0 0 100 200 300 Volume of titrant, ml. 400

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: Equal volumes of two different weak acids are titrated with 14 0.30 M NAOH, resulting in the…

Q: Name at least three differences between the titration curve of a strong acid with a strong base and…

A: Titration curve of a strong acid with a strong base: 1. One Equivalence point 2. Initial slow rise…

Q: Which of the following species will contribute to the errors of a Mohr titration when it is done in…

A: Given, Mohr titration in a basic medium Required,…

Q: In a titration of HCl with NaOH, the indicator solution used is called Phenolpthalein and it turns…

A: Phenolphthalein : Phenolphthalein is an indicator which is generally used in acid-base titrations.…

Q: Draw a titration curve of a strong acid being titrated with a strong base and identify the…

A: titration is the process through which we determine the concentration of unknown solution by…

Q: 17-Consider the following titration curve that corresponds to the titration of a weak acid with a…

A: In the titration of the weak acid and strong base, we get the pKa of the weak acid at the half…

Q: Which parts on the curve are suitable within the ph range for choosing an indicator for the…

Q: Which of the following relates to the titrant? a the substance of known concentration a substance…

A: Titration is a one of the quantitative method that can be performed to determine the concentration…

Q: What is the difference between the endpoint of a titration and the equivalence point?

A: Titration is used in analytical chemistry. It is used to determine acid, base, reductant, oxidant.…

Q: Sketch a pH titration curve for the titration of a weak base with a strong acid. Indicate the…

A: this titration is between strong acid and weak base.

Q: Some automatic titrators measure the slope of a titration curve to determine the equivalence point.…

A: For acid-base titrations, the equivalence point can be found very easily. A pH meter is simply…

Q: calculate the pH at the equivalence point for the following titration: 0.01M HCl versus 0.01 M…

A: Given,Molarity of HCl = 0.01 MMolarity of CH3NH2 = 0.01 MKa of CH3NH3+ = 2.3 x 10-11

Q: What is the pH of a solution when 82.5 mL of a 0.1M HCN solution (ka = 6.2 x 10 -10) is titrated…

A: The question is based on the concept of titrations. We are titrating a weak acid & a strong…

Q: Draw the conductometric titration curve of the titration of a weak base with a weak acid in equal…

A: Conductance measurements are frequently employed to find the endpoints of acid-base and other…

Q: Describe the difference in the titration curve between an acetic acid titration and a sulfurous acid…

A: Given: To differentiate in the titration curve between an acetic acid titration and a sulfurous acid…

Q: Summarize Titration of a Weak Acid with a Strong Base?

A: Weak acid- an acid dissociate slowly into its ions in an aqueous solution to give H+ ions e.g.…

Q: Using suitable curves explain the variations in titration curves obtained between the titration of a…

A: In the titration curve of acid-base titration, the information about the concentration of acid or…

Q: When titrating a weak acid with a strong base, approximately where would the pH be observed when…

A: ->Salt of weak acid and strong base is basic hence, it's pH is greater than 7. ->Given values…

Q: (a) What is the pH before any titrant has been added? (b) What is the pH at the midpoint of the…

A: Answer: Given curve is the titration curve of acid and base titration where acid is the analyte and…

Q: The pH at one half the equivalence point in an acid-base titration was found to be 5.56. What is the…

A: At half of of equivalent point of titration of a weak acid with a strong base the solution exist as…

Q: Consider the titration of a 20.0-mL sample of 0.100 M HC2H3O3 (Ka=1.8×10−5) with 0.125 M NaOH.…

A: Given question is related to calculating the pH at equivalent point in acid-base titration reaction.…

Q: What two values must be equal at the equivalence point of the titration of a weak acid?

A: Equivalence point: During acid-base titrations, when all the amount of the acid present in the…

Q: If a weak acid is titrated using a strong base, what will the pH be at the equivalence point? Select…

A: The question is about to find the pH at the equivalence point when a weak acid is titrated using a…

Q: Based on the given titration curve, which acid could be involved in this titration? 14 12 10 pH 2.…

A: We can determine acid from nature of curve . The number of equivalence point tell about number of…

Q: 0.35 moles of a weak acid was dissolved in 50.0 mL of water then titrated with a strong base. 30.0…

A: For weak acid and strong base titration, pH at equivalent point is pH = 7 + 1/2(pKa + log C ) Where,…

Q: c) A student titrated 50.0 mL of a 0.10 M solution of a certain weak acid with NaOH. The results are…

A: Identify a pH value between 2.5 and 7.5 at which the concentration of the weak acid being titrated…

Q: At the equivalence point, both the acid and the base are completely consumed by neutralization.…

A: Please find the answer below.

Q: Which of the following acid-base titrations initially forms a buffer? lactic acid titrated with…

A: A buffer solution is a solution whose pH does not change by adding small amount of acid and base.…

Q: Which of the following is true of a buffer solution that contains equivalent amounts of acid and…

A: buffer solution that contains equivalent amounts of acid and conjugate base means [Conjugate base ]…

Q: How does the titration curve of a monoprotic acid differ from that of a diprotic acid?

A: In chemistry, there are many ways to check the deviation of experimental data from the accurate…

Q: Explain (molecularly) why in the titration of a weak base with strong acid, the titration curve is…

A: In the given question we have to analyze the titration curve of weak acid with strong base. pH of…

Q: Which of the following titrations result in an acidic solution at the equivalence point?…

A: Answer - Equivalence point - The equivalence point is the point in a chemical reaction when there…

Q: 50.0 ml of a 0.1 M solution of the weak acid HA, was titrated to the equivalence point with 0.1 M…

A: For monobasic acid and monoacidic base, moles of acid neutralized = moles of base used

Q: Determine the pH at the equivalence point in the titration of 50.0 mL of 0.300 M CH₃COOH with 0.300…

Q: What is the pH at the equivalence point of a weak acid titrated with a strong base? (Hint: what are…

A: The acidity or basicity of a solution is measured by the pH of the solution. If the pH is 7, the…

Q: Approximately how much Sodium Hydroxide was added when the titration curve reached the equivalence…

A: Equivalence point is point in titration at which the amount of titrant added is just enough to…

Q: The equivalence point in the titration of this weak acid is 50.80 mL. At 25.40 mL, the pH was…

Question

17- Consider the following titration curve that corresponds to the titration of a weak acid with a strong base. From the data shown, what is the approximate Ka of the acid?

16- Aluminum Al in a 3.533 g soil sample was determined by precipitating as Al2O (102.0 g/mol). The mass of the
precipitate was 0.0435 g. calculate the mass percent of Al (27.0 g/mol) in the sample.
a) 0.65%
b) 3.66%
c) 27.1%
d) 1.07%
e) 14.5%
17- Consider the following titration curve that corresponds to the titration
of a weak acid with a strong base. From the data shown, what is the
approximate Ka of the acid?
a) 1x10-¹2
b) 1x107
c) 1x10-8
d) 1x10-s
e) 1x10⁹
Hd
14
12
ON SON
10
0
200
300
100
Volume of titrant, ml.
400

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1: Introduction

VIEW

Step 2: Solution

VIEW

Solution

VIEW

Step by step

Solved in 3 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

analytical chemistry. Given the following titration curve, what is the suitable indicator for this titration? a) thymolphthaline; pH range (9.3-10.5) b) bromothymol blue; pH range (6.2-7.6) c) Thymol blue; pH range (1.2-2.8) d) bromcresol green; pH range (4.1-5.4) e) phenolphthalein; pH range (8.6-10.2)
If the concentration of the weak base ammonia is 0.10 M and it is titrated with 0.1 M HCl, and the Kb of ammonia is 1.8 x 10^-5, calculate the pre-titration pH
It is titrated with 60 mL of 0.05M NH3 and 30 mL of 0.05M HCI. Calculate the pH value of the medium.
What is the difference between endpoint and equivalence point in acid-base titration?
In order to determine the Ka of a weak, monoprotic acid, a student measured the pH of a solution of this weak, monoprotic acid to be 3.617. Based on the full- neutralization titration portion of the experiment, it was found that the total molar concentration of this acid solution was 2.632 M. Using these measurements, what would be the Ka for this weak, monoprotic acid? Ka X 10-7 Please enter as your answer only the underlined numerical part of the Ka above. Round your answer to two decimal places.
The lower the Ka of the acid being titrated, the pH change around the equivalence point in the titration curve (increases, decreases, no change, or cannot be determined?)
Acetic Acid: Ka = 1.7 x 10-5 Hydrofluoric Acid: Ka = 6.8 x 104 Propionic Acid: Ka = 1.3 x 10-5 A 20.0 mL sample of 0.120 M propionic acid was titrated by 0.150 M NaOH. Calculate the pH at the following points. a) Before titration. b) After the addition of 10.0 mL of the base. c) At the equivalence point. d) After the addition of a total of 30.0 mL of the base
At which point of a titration curve, is the pH value of the solution equal to the pKa of the weak acid? O at the quarter equivalence point O at the equivalence point O at the half equivalence point
50.0 ml of a weak acid HA is titrated to the equivalence point with 50.0 ml of 0.10 M NaOH. If the pH at the equivalence point is found to be 9.2, what is the Ka of the acid?
An acid with pKa = 1.79 is titrated with 0.10 M NaOH. Which of the following is true The pH at the equivalence point is below 7.The pH at the equivalence point is above 7.The pH at the equivalence point is equal to 7.
Why is the titration curve steepest at the equivalence point?