Choose the right indicator to indicate the endpoint for a titration whose titration curve looks as follows:
Homework Answers
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.
Add Answer to:
Choose the right indicator to indicate the endpoint for a
titration whose titration curve looks as...
19. Choose the most appropriate indicator for the titration of a weak base wit the expected...
19. Choose the most appropriate indicator for the titration of a weak base wit the expected equivalence point of the titration is at pH 6.0. a. methyl orange, pH range 3.2-4.4 b. methyl red, pH range 4.8-6.0 c. bromothymol blue, pH range 6.5-7.6 d. phenolphthalein, pH range 8.2-10.0 e. alizarin yellow R, pH range 10.1-12.0
A sample of carbonic acid (K = 4.3x10-7) with a concentration of about 1M will be...
A sample of carbonic acid (K = 4.3x10-7) with a concentration of about 1M will be titrated with 1M NaOH. Which indicator from the table below would be appropriate for identifying the the endpoint. pH range for color change 3.2-4.4 3.8-5.4 Indicator Methyl Orange Bromocresol Green Methyl Red Bromothymol Blue Phenolphthalein Alizarin Yellow R 4.8-6.0 6.0-7.6 8.2-10.0 10.1-12.0
The following graph shows the pH curve for the titration of 25 mL of a 0.1 M monoprotic acid solution with a 0.1 M solut...
The following graph shows the pH curve for the titration of 25
mL of a 0.1 M monoprotic acid solution with a 0.1 M solution of a
monoprotic base.
#1's drop down menus both read weak/strong.
#2's drop down menu features a list of all the colors listed on the
graph.
0 5 10 15 20 25 30 35 40 45 50 mL of 0.1 M base added (1) The pH curve represents the titration of a __ acid with...
The following graph shows the pH curve for the titration of 25 mL of a 0.1...
The following graph shows the pH curve for the titration of 25
mL of a 0.1 M monoprotic acid solution with a 0.1 M solution of a
monoprotic base.
mL of 0.1 M base added
(1) The pH curve represents the titration of a
_______(weak/strong) acid with a _______(weak/strong)base.
(2) Choose a suitable indicator for the endpoint
of the titration from the following pulldown list
__________.(bromocresol green / methyl red / bromothymol blue /
cresol red / thymol blue /...
Consider the titration of 25.00 mL of 0.115M NH3 (ka= 5.70e-10 ; kb= 1.75e-5) with 0.0920...
Consider the titration of 25.00 mL of 0.115M NH3 (ka= 5.70e-10 ;
kb= 1.75e-5) with 0.0920 M HCl.
a) calculate the pH of the solution for the following volume of
HCl: 6.25 mL
b) calculate the pH of the solution for the following volume of
HCl: 31.25 mL
c) calculate the pH of the solution for the following volume of
HCl: 50.0 mL
d) Which indicator from the table minimizes the titration error
and why?
blue Indicator thymol blue bromophenol...
QUESTION 1 6 points Save Answer The purpose of an indicator in an acid-base titration is...
QUESTION 1 6 points Save Answer The purpose of an indicator in an acid-base titration is to indicate the of the titration. Use Table 10.2 for the following question. If an acidic solution is titrated with a basic solution and methyl violet is used as an indicator, the solution color will change from to QUESTION 2 3 points Save Answer The molarity of a solution prepared by dissolving 17.0 g of hydrochloric acid (HCI (aq) in 133 mL of water...
Referring to figure 10.4 choose an appropriate indicator for each titration. Justify your answer The last...
Referring to figure 10.4 choose an appropriate indicator for each
titration. Justify your answer
The last page shows data from titration
whether phenolphthalein is a good 7 Referring to Figure 10.4, choose an appropr to Figure 10.4, choose an appropriate indicator for each titration. Justify your answer. 0.1UM Acidic indicator pH range Basic Thymol Blue 11 12 13 12-28 and 8.0-92 14 Methyl Orange Bromophenol Blue 10-4. Congo Red 30-50 Bromocresol Green 3.8-5.4 Methyl Red 44-62 Bromothymol Blue 6.0-7.6 Phenol...
Choose the most appropriate indicator for the green titration curve (Kg = 104). 10 Ks =...
Choose the most appropriate indicator for the green titration curve (Kg = 104). 10 Ks = 10-10 pH Ko=107 Kg = 104 Strong acid 10.0 5.0 Volume of 1.0 M NaOH added (mL) A. Phenolphthalein for pH 9 B. Alizarin for pH 12 C. Bromthymol Blue for pH 7 D. Methyl red for pH 5 E. Thymolphthalein for pH 10.5
4. Two 0.100 M solutions of the weak acids HA and HB are titrated using KOH...
4. Two 0.100 M solutions of the weak acids HA and HB are titrated using KOH at 25°C. The pH at equivalence of HA is 8.5, while the pH at equivalence of HB is 10.3. 1. Which of these two acids is weaker? ii. Which of the indicators below would be suitable in the titration of HA? Which would be suitable in the titration of HB? Indicator Alizarin yellow GR phenolphthalein methyl orange methyl red bromothymol blue pH range for...
Table 2: Indicator, pH Range, and Color Change Beaker Indicator Amount Needed for Reaction to Complete...
Table 2: Indicator, pH Range, and Color Change Beaker Indicator Amount Needed for Reaction to Complete pH Range pH at Color Change Color (Initial:Final) 1 Bromothymol Blue 6 6.0-7.5 6.6 Blue > Light Yellow 2 Turmeric Indicator 6 7.5-8.8 5.3 Light Red > Yellow 3 Methyl Orange 20 2.3-4.6 7.9 Orange > Pink Table 3: Titration Data Part 2: mL Citric Acid Added Part 2: pH Part 3: mL Citric Acid Added Part 3: pH Part 3: Color 0.0 10.5...
19. Choose the most appropriate indicator for the titration of a weak base wit the expected equivalence point of the titration is at pH 6.0. a. methyl orange, pH range 3.2-4.4 b. methyl red, pH range 4.8-6.0 c. bromothymol blue, pH range 6.5-7.6 d. phenolphthalein, pH range 8.2-10.0 e. alizarin yellow R, pH range 10.1-12.0
A sample of carbonic acid (K = 4.3x10-7) with a concentration of about 1M will be titrated with 1M NaOH. Which indicator from the table below would be appropriate for identifying the the endpoint. pH range for color change 3.2-4.4 3.8-5.4 Indicator Methyl Orange Bromocresol Green Methyl Red Bromothymol Blue Phenolphthalein Alizarin Yellow R 4.8-6.0 6.0-7.6 8.2-10.0 10.1-12.0
The following graph shows the pH curve for the titration of 25
mL of a 0.1 M monoprotic acid solution with a 0.1 M solution of a
monoprotic base.
#1's drop down menus both read weak/strong.
#2's drop down menu features a list of all the colors listed on the
graph.
0 5 10 15 20 25 30 35 40 45 50 mL of 0.1 M base added (1) The pH curve represents the titration of a __ acid with...
The following graph shows the pH curve for the titration of 25
mL of a 0.1 M monoprotic acid solution with a 0.1 M solution of a
monoprotic base.
mL of 0.1 M base added
(1) The pH curve represents the titration of a
_______(weak/strong) acid with a _______(weak/strong)base.
(2) Choose a suitable indicator for the endpoint
of the titration from the following pulldown list
__________.(bromocresol green / methyl red / bromothymol blue /
cresol red / thymol blue /...
Consider the titration of 25.00 mL of 0.115M NH3 (ka= 5.70e-10 ;
kb= 1.75e-5) with 0.0920 M HCl.
a) calculate the pH of the solution for the following volume of
HCl: 6.25 mL
b) calculate the pH of the solution for the following volume of
HCl: 31.25 mL
c) calculate the pH of the solution for the following volume of
HCl: 50.0 mL
d) Which indicator from the table minimizes the titration error
and why?
blue Indicator thymol blue bromophenol...
QUESTION 1 6 points Save Answer The purpose of an indicator in an acid-base titration is to indicate the of the titration. Use Table 10.2 for the following question. If an acidic solution is titrated with a basic solution and methyl violet is used as an indicator, the solution color will change from to QUESTION 2 3 points Save Answer The molarity of a solution prepared by dissolving 17.0 g of hydrochloric acid (HCI (aq) in 133 mL of water...
Referring to figure 10.4 choose an appropriate indicator for each
titration. Justify your answer
The last page shows data from titration
whether phenolphthalein is a good 7 Referring to Figure 10.4, choose an appropr to Figure 10.4, choose an appropriate indicator for each titration. Justify your answer. 0.1UM Acidic indicator pH range Basic Thymol Blue 11 12 13 12-28 and 8.0-92 14 Methyl Orange Bromophenol Blue 10-4. Congo Red 30-50 Bromocresol Green 3.8-5.4 Methyl Red 44-62 Bromothymol Blue 6.0-7.6 Phenol...
Choose the most appropriate indicator for the green titration curve (Kg = 104). 10 Ks = 10-10 pH Ko=107 Kg = 104 Strong acid 10.0 5.0 Volume of 1.0 M NaOH added (mL) A. Phenolphthalein for pH 9 B. Alizarin for pH 12 C. Bromthymol Blue for pH 7 D. Methyl red for pH 5 E. Thymolphthalein for pH 10.5
4. Two 0.100 M solutions of the weak acids HA and HB are titrated using KOH at 25°C. The pH at equivalence of HA is 8.5, while the pH at equivalence of HB is 10.3. 1. Which of these two acids is weaker? ii. Which of the indicators below would be suitable in the titration of HA? Which would be suitable in the titration of HB? Indicator Alizarin yellow GR phenolphthalein methyl orange methyl red bromothymol blue pH range for...
Most questions answered within 3 hours.
-
The following base sequence is found for a mRNA fragment from
wild-type E. coli: 5'- UAUCAGUAGAUAAUGUAACC-3'...
asked 4 minutes ago -
For this exercise, round all regression parameters to three
decimal places.
One of the two tables...
asked 23 minutes ago -
What is the 5% level of significance for mean = 3.60, standard
deviation = 0.94, and...
asked 27 minutes ago -
Prior to beginning work on this discussion, please read the
article by Hayley Peterson, 15 Companies...
asked 55 minutes ago -
Which pair of aqueous solutions, when mixed, will form a
precipitate?
A) NaNO3 and AgC2H3O2
B)...
asked 1 hour ago -
1-Write an algorithm to get two numbers from the user (as
inputs) and calculate the sum...
asked 4 hours ago -
Define white-collar crime. What is the difference between
offender and offense-based definitions of white-collar crime? What...
asked 5 hours ago -
Consider a reaction which is 1st order with respect to A and 1st
order with respect...
asked 5 hours ago -
c++
The length of the hypotenuse of a right-angled triangle is the
square root of the...
asked 5 hours ago -
When a metal rod is heated, not only its resistance but also its
length and cross‐sectional...
asked 5 hours ago -
write a c++ program that computes the L^1 - Norm of a given
vector (L^1 norm...
asked 5 hours ago -
A manufacturer of banana chips would like to know whether its
bag filling machine works correctly...
asked 5 hours ago