Refer to the following titration curve below: 13 12 11 10 7 6 5 4 3 2 4 6 10 12 14 16 18 20 22 24 26 28 30 Volume of Titrant / mL - Unknown Acid 0.10 mol/L – titrant = NaOH 0.1 mol/L At pH 7.0, which form of histidine is most abundant? His+ O His2+ O His His

Refer to the following titration curve below: 13 12 11 10 7 6 5 4 3 2 4 6 10 12 14 16 18 20 22 24 26 28 30 Volume of Titrant / mL - Unknown Acid 0.10 mol/L – titrant = NaOH 0.1 mol/L At pH 7.0, which form of histidine is most abundant? His+ O His2+ O His His

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: You start with 20.0 mL of 0.50 M H(C₂H3O2), and you titrate that with 0.50 M NaOH. For H(C₂H3O2),…

A: acetic acid react with sodium hydroxide in 1 : 1 molar ratio. Neutralization reaction is HC2H3O2 +…

Q: Which of the following can be determined by analyzing this titration curve. Mark all of the true…

A: The titration curve given is,

Q: X 1. An acetic acid plus a propyl alcohol will react to form ethyl propanoate in an acid medium.…

A: pH > 7 basic solution pH < 7 acidic solution pH = neutral Carboxylic acid reacts with…

Q: This question concerns part 1 of this lab. You need to make a buffer solution by mixing both a weak…

A: Given,molarity of sodium acetate = 0.100 Mvolume of sodium acetate = 5.00 mLpH of the solution =…

Q: PRE-LAB QUESTIONS Calculate the volume, in mL, of a 0.50 M NaOH solution that will be required to…

A: The volume (in mL) of 0.50 M NaOH is to be calculated that is required to neutralize the 1.2 g of…

Q: Which one is not required for the titration of ascorbic acid with I2 ? indicator mortar and pestle…

A: Titration of ascorbic acid with iodine requirements. 1. indicator : in this titration we use strach…

Q: A 100.0-mL aliquot of 0.100 M diprotic acid H2A (pK1=4.00, pK2 = 8.00) was titrated with 1.00 M…

Q: B. Where does the amino acid have a net charge of -1? above pH 9.69 at pH=9.69 at pH=6.01 at pH=2.34…

A: The given titration curve has 2 different points where sharp rise in pH takes place. Hence the…

Q: Post-lab Question #5-4: Ka for hypochlorous acid, HCIO, is 3.0 x 10-8. Calculate the pH after 40.0…

A: Given, 40 ml of 0.1 (M) NaOH and 40 ml of 0.1 (M) HClO. the amount of acid = the amount of base. Ka…

Q: Refer to the following titration curve below: 13 12 11 10 9 7 6 5 4 3 2 4 6 8 10 12 14 16 18 20 22…

A: Histidine is an alpha amino acid and it's having three Ionizable group one is Carboxylic acid, amino…

Q: 1. Consider the titration of a 60.0 mL of 0.347 M weak acid HA (Ka = 4.2 x 10⁻⁶) with 0.400 M KOH.…

Q: Determine the Ka from the following graph. Group of answer choices 8.91x10-3 1.00x10-2…

A: Introduction: Titration is the process to find the unknown concentration of the solution using known…

Q: 10 8 - 6. 4 - 2- 5 10 15 20 25 30 35 40 45 50 Volume of titrant (mL) is Hd

A: A question based on acid base titration that is to be accomplished.

Q: The R group of glutamic acid is ––CH2CH2COOH (pKa = 4.07). Sketch the titration of the sidechain of…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: The graph represents the titration of an amino acid with NaOH solution. A. At what pH is the average…

A: A buffer is a solution which resist any change in pH on adding a small amount of acid or base.it is…

Q: A titration of 100.0 mL of 1.00 M malonic acid (H2A) was done with 1.00 M NaOH. For malonic acid,…

A: Answer -

Q: CHM2045 Titration of an Antacid St. Petersburg College Name:_________________________ Date:…

A: Titration of antacid .

Q: The pH of normal urine is 6.30, and the total phosphate concentration ([PO43−] + [HPO4 2−] + [H2 PO4…

Q: ated Find the pH at the end point in the titration of 0.2 M potassium acid maleate, KHM. with 0.2 M…

A: The reaction between KHM and NaOH: KHM+NaOH→NaKM+H2O

Q: Many of the Western blot immunodetection buffers are based on a buffer solution abbreviated TBS-T.…

A: Here's a step-by-step guide on how to prepare 700 ml of Tris Buffered Saline-Tween (TBS-T) solution:

Q: on this graph of a phosphoric acid titration with a strong base, where are the titration endpoints…

A: When phosphoric acid (H₃PO₄) is titrated with a strong base (like NaOH), three different equivalency…

Q: Given the titration shown below, what are the pKa values of the diprotic base? 2.1 and 7.6 7.6 and…

A: The important points regarding a titration curve are: 1) The sudden increase or decrease in the pH…

Q: Draw the titration curve below and the structure(s) of the major ionic form(s) of glutamic acid that…

A: If the pH is greater than pKa then deprotonation occurs and it exists in deprotonation form. While…

Q: Which of the following contains the highest concentration of H3O+? Group of answer choices 0.1 M HA,…

Q: In this experiment, you titrated H3PO4 with NaOH. When the titration was done, all that remained…

A: Na3PO4(aq) or PO43-(aq) is a weak triacidic base, whereas HCl is a strong acid. Hence the titration…

Q: draw the predominant form of histidine at key points on the titration curve. - Base - pKa 1 - pKa…

A: Histidine: Histidine is a one of essential α-amino acid that is required in the biosynthesis of…

Q: What is the pka of the weak acid that gives the following pH curve when titrated with NaOH? 14.00…

A: The value of pH for titration of weak acid with strong base is calculated by Henderson-Hasselbalch…

Q: Based on the graph below, 1. molar concentration of HCO3- 2. alkalinity in ppm CaCO3

A: Step1: Here, the HCl is added to CaCO3. So, the reaction will be shown as Here, CaCO3 and HCl react…

Q: The titration curve of a diprotic acid is shown below. Find the pka values and identify the diprotic…

A: In the given question we have to calculate the pKa values for the diprotic acid and identify the…

Q: For each of the following compounds, decide whether the compound's solubility in aqueous solution…

A: This answer is given below.Explanation:

Q: Can you help me find both equivalence points and pKa1 and pKa2 so I can label it on my graph?

A: The titration curve given is,

Q: Feedback Consider the titration of 100.0 mL of 0.8 M H₂A by 0.8 M KOH for the next three questions.…

A: Answer: This is a question based on acid-base titration of polyprotic acid (H3A) against a strong…

Q: 5. The titration curve below is two amino acids. Identify the amino acids based on the titration…

A: On the titration curve, look for these key points, such as the initial pH, any buffering regions…

Q: A 100.0-mL aliquot of 0.100 M diprotic acid H2A (pK1 = 4.00, pK2 = 8.00) was titrated with 1.00 M…

Question

Refer to the following titration curve below:
13
12
11
10
7
5
4
2
4
10
12 14 16
18
20
22
24
26
28
30
Volume of Titrant / mL
- Unknown Acid 0.10 mol/L – titrant = NaOH 0.1 mol/L
At pH 7.0, which form of histidine is most abundant?
His
,2+
His
O His-
Hisº
O oo

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Trending now

This is a popular solution!

Step by step

Solved in 4 steps

SEE SOLUTION Check out a sample Q&A here

Similar questions

You start with 20.0 mL of 0.50 M H(C₂H3O₂), and you titrate that with 0.50 M NaOH. For H(C₂H3O2), pKa = 4.7. **NOTE** ROUND OFF ALL PH VALUES TO HAVE ONE DIGIT PAST THE DECIMAL PLACE (tenths place): for example, 1.0, 1.1, 1.2, etc... Calculate the pH at the following points: 1. Before adding any NaOH 2. After adding 8.0 mL of NaOH 3. After adding 22.0 mL of NaOH
What is the concentration of Cd2+ in a solution that is 0.10 M Cd(NH3)42+? (Kf = 4.0 x 106) Group of answer choices 1.0 x 10-2 2.0 x 10-3 1.0 x 10-3 1.0 x 10-4 2.0 x 10-2
Calculate the pH of 0.20 M arginine hydrochloride, ka= 8 x 10^-13
Which of the following buffer would work best for making a buffer at pH 7.5? O TAPS, K₂ = 4.0 x10⁹ O HEPES, K₂= 3.2 x10-8 O Acetic acid, K₂ = 1.6x10-5 O CAPS, K₂ = 4.0 x10-¹¹ O PIPES, K₂ = 1.6 x10-7
7. A 10.0 cm³ sample of 0.150 mol dm³ aminoethanoic acid with a pH of 5.3 was titrated with 0.100 mol dm³ NaOH. After 20.0 cm³ of NaOH, an excess, had been added, the pH was found to be 12.5. Using the following axes, sketch a graph showing how the pH changes during this titration. 14 12 10 8. nH
Post-lab Question #5-2: Ka for hypochlorous acid, HCIO, is 3.0 x 10-8. Calculate the pH after 20.0 mL of 0.100 M NaOH have been added to 40.0 mL of 0.100 M HCIO. 8.00 7.05 7.52 10.11
Post-lab Question #5-3: Ka for hypochlorous acid, HCIO, is 3.0 x 10-8. Calculate the pH after 30.0 mL of 0.100 M NaOH have been added to 40.0 mL of 0.100 M HCIO. 10.11 8.00 7.05 7.52
1. The chemical equation below are about reactivity of amino acids. Would you say that amino acids can or cannot act as buffers? Explain.
A student was titrating a solution of hydrazine (H₂NNH₂) with a nitric acid solution. Determine the pH at a particular point in the titration. Do this by constructing a BCA table, constructing an ICE table, writing the equilibrium constant expression, and use this information to determine the pH. Complete Parts 1-4 before submitting your answer. The Kb for H₂NNH₂ is 3.0 x 10-6. Based on your ICE table and the equilibrium expression for Kb, set up the expression for Kb in order to determine the unknown concentrations. Each reaction participant must be represented by one tile. Do not combine terms. [0] [0.200 + x] [0.175 + x] [0.200] [0.200 -x] [0.175 -x] 0 1.70 Kb 4.77 x 10-1⁰ = 12.3 [0.0200] [0.100] [0.0200 + x] [0.0200 -x] 10.8 [0.140] 2 [0.100 + x] 2.10 x 10-² A student was titrating a solution of hydrazine (H₂NNH₂) with a nitric acid solution. Determine the pH at a particular point in the titration. Do this by constructing a BCA table, constructing an ICE table, writing the…