Homework Answers
Add Answer to:
Question 3: Draw the titration curve (pH versus mL of NaOH added) that would be obtained...
Consider the titration of 100.0 mL of 0.75 M H3A by 0.75 M KOH for the...
Consider the titration of 100.0 mL of 0.75 M H3A by 0.75 M KOH for the next three questions. The triprotic acid has Ka1 = 1.0 x 10-5, Ka2 = 1.0 x 10-8, and an unknown value for Ka3. 1) Calculate the pH after 100.0 mL of KOH has been added. pH = Tries 0/45 2) Calculate the pH after 150.0 mL of KOH has been added. pH = Tries 0/45 3) The pH of the solution after 200.0 mL...
draw a titration curve for oxalic acid from a potentiometric titration of 20.0 mL of 0.10...
draw a titration curve for oxalic acid from a potentiometric titration of 20.0 mL of 0.10 M oxalic acid with 0.10 M NaOH. Ka1 = 5.9 x 10-2 Ka2 = 6.4 x 10-5 Identify the following in the titration curve: A) pK1 and pK2 B) equivalence points C) buffering regions i will give thumbs up
In the titration of 250.0 mL of 0.20 M H3PO4 with 0.10 M NaOH, the pH...
In the titration of 250.0 mL of 0.20 M H3PO4 with 0.10 M NaOH, the pH of the solution after the addition of some NaOH is 4.66. Which of the following phosphate-containing species is present in the largest amount? For H3PO4, Ka1 = 7.5 × 10–3, Ka2 = 6.2 × 10–8, and Ka3 = 4.8 × 10–13.
6. a) If the titration of 2.729 g of an unknown triprotic acid requires 48.15 mL...
6. a) If the titration of 2.729 g of an unknown triprotic acid requires 48.15 mL of 0.4012 M NaOH to reach the third equivalence point, what is the molar mass of this unknown acid? Show your work with units and correct significant figures. 7. If the second equivalence point in the titration of a diprotic acid is at 39.48 mL of strong base titrant added, at what volume is the? First half-equivalence point? Second half-equivalence point? 39.48 ml Second...
What is the shape of the titration curve (plot of pH vs. mL of added base)...
What is the shape of the titration curve (plot of pH vs. mL of added base) for titration of a weak acid by a strong base? In a titration, 10 mL of 0.10 M HF was titrated with 0.20 M KOH. Calculate the pH of the resulting solution after the addition of the following volumes of base: 0 mL, 2.5 mL, 5.0 mL, and 6.0mL. What volume of base is needed to reach the equivalence point? What species is present...
Construct a rough plot of pH versus volume of added base for the titration of 50 mL of 0.045 M HCN with 0.075 M NaOH.
Construct a rough plot of pH versus volume of added base for the titration of 50 mL of 0.045 M HCN with 0.075 M NaOH.(a) What is the pH before any NaOH is added? (b) What volume of base, in milliliters, is required to reach the equivalence point? (c) What is the pH at the equivalence point? (d) What indicator would be most suitable to determine the endpoint?bromocresol green Alizarin yellow GG Bromthymol blue bromcresol purple
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...
pH titration curves experiment Prelab exercise The figure below shows how to interpret titration curve Figure...
pH titration curves experiment Prelab exercise The figure below shows how to interpret titration curve Figure 1: Interpretation of a pH titration curve. pH vs. volume of 0.20 M NaOH soluti added to 20.0 mL unknown acid HA 13 12 10 Equivalence point Volume added to reach equivalence 10 15 20 30 35 45 1/2- way to equivalence point Volume NaOH (mL) Please refer to the data provided in the excel sheet (attached separately) and use it to answer the...
Construct a rough plot of pH versus volume of added base for the titration of 50...
Construct a rough plot of pH versus volume of added base for the
titration of 50 mL of 0.070 M HCN with 0.075 M NaOH. Ka = 4.0*10-10
for HCN
(a) What is the pH before any NaOH is added?
(b) What volume of base, in milliliters, is required to reach the
equivalence point?
(c) What is the pH at the equivalence point?
(d) What indicator would be most suitable to determine the
endpoint?
(1).bromcresol purple
(2).bromocresol green
(3).Bromthymol blue...
Construct a rough plot of pH versus volume of added base for the titration of 50...
Construct a rough plot of pH versus volume of added base for the titration of 50 mL of 0.060 M HCN with 0.075 M NaOH. Ka = 4.0*10-10 for HCN Figure 17.11. (a) What is the pH before any NaOH is added? (b) What volume of base, in milliliters, is required to reach the equivalence point? (c) What is the pH at the equivalence point? (d) What indicator would be most suitable to determine the endpoint? bromcresol purple, bromocresol green,...
6. a) If the titration of 2.729 g of an unknown triprotic acid requires 48.15 mL of 0.4012 M NaOH to reach the third equivalence point, what is the molar mass of this unknown acid? Show your work with units and correct significant figures. 7. If the second equivalence point in the titration of a diprotic acid is at 39.48 mL of strong base titrant added, at what volume is the? First half-equivalence point? Second half-equivalence point? 39.48 ml Second...
Construct a rough plot of pH versus volume of added base for the titration of 50 mL of 0.045 M HCN with 0.075 M NaOH.(a) What is the pH before any NaOH is added? (b) What volume of base, in milliliters, is required to reach the equivalence point? (c) What is the pH at the equivalence point? (d) What indicator would be most suitable to determine the endpoint?bromocresol green Alizarin yellow GG Bromthymol blue bromcresol purple
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...
pH titration curves experiment Prelab exercise The figure below shows how to interpret titration curve Figure 1: Interpretation of a pH titration curve. pH vs. volume of 0.20 M NaOH soluti added to 20.0 mL unknown acid HA 13 12 10 Equivalence point Volume added to reach equivalence 10 15 20 30 35 45 1/2- way to equivalence point Volume NaOH (mL) Please refer to the data provided in the excel sheet (attached separately) and use it to answer the...
Construct a rough plot of pH versus volume of added base for the
titration of 50 mL of 0.070 M HCN with 0.075 M NaOH. Ka = 4.0*10-10
for HCN
(a) What is the pH before any NaOH is added?
(b) What volume of base, in milliliters, is required to reach the
equivalence point?
(c) What is the pH at the equivalence point?
(d) What indicator would be most suitable to determine the
endpoint?
(1).bromcresol purple
(2).bromocresol green
(3).Bromthymol blue...
Most questions answered within 3 hours.
-
*HOW DO I CHANGE THIS FROM A VOID FUNCTION TO A NON-VOID
WITH PARAMETERS?*
#include<iostream>
#include<fstream>...
asked 6 minutes ago -
I have a matrix, A= rand(2,3,2) ans(:,:,1) = 0.8116 0.3507
0.8759 0.5328 0.9390 0.5502 ans(:,:,2) =...
asked 10 minutes ago -
A commercial lubricant, Dubdeefordy, has K = SN/SM = 13.1 for
immiscible solvent M and N....
asked 11 minutes ago -
Examine several recent mergers and suggest the principal motives
for merging in each case. Discuss three...
asked 12 minutes ago -
If I want to make 50mL of 5M of NaCl, would I use: 14.6 grams of...
asked 18 minutes ago -
5. The animals of which phylum use a water vascular system in
locomotion, feeding and gas...
asked 18 minutes ago -
Find the expected value E(X), the variance Var(X) and the
standard deviation σ(X) for each of...
asked 27 minutes ago -
1.Mr. Bill S. Preston, Esq., purchased a new house for $90,000.
He paid $20,000 upfront and...
asked 28 minutes ago -
A resistor connected in parallel with an inductor draws 50mA
from the supply. Calculate the phase...
asked 27 minutes ago -
Typically, state taxable income includes:
a. Apportionable income only.
b. Nonapportionable income only.
c. Both "Apportionable...
asked 34 minutes ago -
A
certain population of children has height thus have a Normal
Distribution with a mean of...
asked 39 minutes ago -
For a class science experiment, the students had to grow beans
in a cup and see...
asked 44 minutes ago