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:
Which indicator in the table is best suited for confirming that a water sample is neither...
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 /...
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
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...
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...
Section B ANALYTICAL CHEMISTRY 3. Answer ALL parts. (a) Answer each of the following i) ii)...
Section B ANALYTICAL CHEMISTRY 3. Answer ALL parts. (a) Answer each of the following i) ii) Define buffer capacity. (b) A solution was prepared by dissolving 1.572 grams of NaB (Relative Molecular Mass 169), the sodium salt of a weak base, in 100 0 cm of water. pK, for the weak acid HB is 6.3. Calculate the pi of the solution, K.-1 x 1014 (c) 20.0 cm' of the basic solution is titrated with 0.134 mol dm HCL. Calculate: i)...
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...
PLEASE EXPLAIN THE ANSWER Alizarin yel 16.16 If the pH is 8.0 at the equivalence point...
PLEASE EXPLAIN THE ANSWER
Alizarin yel 16.16 If the pH is 8.0 at the equivalence point for the titration of a certain weak acid with sodium hydroxide, what indicator might you use? (See Figure 15.10.) pH range for color change Indicator name H ii + + 0 Methyl violet yellow violet Thymol blue (acidic range) red yellow Bromphenol blue yellow blue Methyl orange red yellow Bromcresol green yellow blue Methyl red rad yellow • yellow blue Brumthymol blue 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...
The Solubility Product Constant for silver chloride is 1.8x10-10 If silver chloride is dissolved in water...
The Solubility Product Constant for silver chloride is 1.8x10-10 If silver chloride is dissolved in water you can say that the equilibrium concentrations of silver and chloride ions are: A. High B. Moderate C. Low moteris . Visited The solubility of silver chloride in water is: A. High B. Moderate C. Low Submit Answer Retry Entire Group 9 more group attempts remaining Previous Next) The Solubility Product Constant for calcium carbonate is 3.8x10-9. If calcium carbonate is dissolved in water...
A volume of 20.05 mL of NaOH was used to titrate a 0.45 g sample of...
A volume of 20.05 mL of NaOH was used to titrate a 0.45 g sample of potassium hydrogen phthalate (KHP), a monoprotic acid, which has a molecular weight of 204.2 g/mol. Calculate the molarity of the NaOH solution. For the above titration of potassium hydrogen phthalate with NaOH, if you have the following pH indicators: methyl red, bromothymol blue, and phenolphthalein, which indicator should you use? Explain why.
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 /...
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
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...
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...
Section B ANALYTICAL CHEMISTRY 3. Answer ALL parts. (a) Answer each of the following i) ii) Define buffer capacity. (b) A solution was prepared by dissolving 1.572 grams of NaB (Relative Molecular Mass 169), the sodium salt of a weak base, in 100 0 cm of water. pK, for the weak acid HB is 6.3. Calculate the pi of the solution, K.-1 x 1014 (c) 20.0 cm' of the basic solution is titrated with 0.134 mol dm HCL. Calculate: i)...
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...
PLEASE EXPLAIN THE ANSWER
Alizarin yel 16.16 If the pH is 8.0 at the equivalence point for the titration of a certain weak acid with sodium hydroxide, what indicator might you use? (See Figure 15.10.) pH range for color change Indicator name H ii + + 0 Methyl violet yellow violet Thymol blue (acidic range) red yellow Bromphenol blue yellow blue Methyl orange red yellow Bromcresol green yellow blue Methyl red rad yellow • yellow blue Brumthymol blue 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...
The Solubility Product Constant for silver chloride is 1.8x10-10 If silver chloride is dissolved in water you can say that the equilibrium concentrations of silver and chloride ions are: A. High B. Moderate C. Low moteris . Visited The solubility of silver chloride in water is: A. High B. Moderate C. Low Submit Answer Retry Entire Group 9 more group attempts remaining Previous Next) The Solubility Product Constant for calcium carbonate is 3.8x10-9. If calcium carbonate is dissolved in water...
Most questions answered within 3 hours.
-
The free energy change for the following reaction at 25 °C, when
[Sn2+] = 1.17 M...
asked 59 minutes ago -
An MNE is this kind of industry when competition in one country
is essentially independent of...
asked 2 hours ago -
. For this set of questions, determine what
proportion of a normal distribution is located betweeneach...
asked 3 hours ago -
A college student is employed as a door-to-door newspaper
salesman. Historical data suggests that the student...
asked 4 hours ago -
MATLAB HW 11 problem using Switch Case and Input commands
Write a script file that calculates...
asked 3 hours ago -
Considering gravitational time dilation, calculate the time that
passes in Earth’s surface while 1 hour passes...
asked 4 hours ago -
Minitab Problem: Take the Lake Hume June rainfall data and find
use the processes outlined in...
asked 5 hours ago -
X Company is trying to decide whether to continue using old
equipment to make Product A...
asked 5 hours ago -
IN PYTHON ONLY !! Program 2: Re-work
program #5 (WeeklyHours) from the previous assignment such that...
asked 5 hours ago -
The average length of time between arrivals at a turnpike
toll-booth is 26 seconds. What is...
asked 7 hours ago -
(a) A piston at 6.1 atm contains a gas that occupies a volume of
3.5 L....
asked 8 hours ago -
Please answer true or false. Words
cannot be changed or added in to make it true...
asked 8 hours ago