A 0.100 M solution of the weak acid HA was titrated with 0.100 M NaOH. The pH
Question:
A 0.100 M solution of the weak acid HA was titrated with 0.100 M NaOH. The pH measured when Vb = ½ Ve was 4.62. Using activity coefficients, calculate pKa. The size of the A- anion is 450 pm.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 33% (3 reviews)
Calculation of pKa By using activity coefficients The pKa value is one method used to indicate the strength of an acid pKa is the negative log of the acid dissociation constant or Ka value A lower pKa ...View the full answer
Answered By
Sivakumar N
I have completed Bachelors in chemical engineering , i have a skills on chemical engineering subjects like, Heat transfer, Mass transfer, Chemical reaction engineering and Thermodynamic. i am also interested in mathematical calcuations and derivation from chemical engineering subjects.
Material and energy balances in Unit operations.
0.00
0 Reviews
10+ Question Solved
Related Book For
Question Posted:
Students also viewed these Engineering questions
-
A 10.0-mL solution of 0.300 M NH3 is titrated with a 0.100 M HCl solution. Calculate the pH after the following additions of the HCl solution: (a) 0.0 mL, (b) 10.0 mL, (c) 20.0 mL, (d) 30.0 mL, (e)...
-
A hypothetical weak acid, HA, was combined with NaOH in the following proportions: 0.20 mol of HA, 0.080 mol of NaOH. The mixture was diluted to a total volume of 1.0 L and the pH measured. (a) If pH...
-
Find the pH and fraction of dissociation () of a 0.100 M solution of the weak acid HA with Ka = 1.00 10-5.
-
Build Right Supply, Co., shows the following financial statement data for 2014, 2015, and 2016. Prior to issuing the 2016 statements, auditors found the ending inventory for 2014 was understated by...
-
Describe the role of the tax researcher. When does tax research need to be performed? What does the taxpayer usually expect you to do as a tax advisor?
-
Universal Products Co. has almost finished its pro forma financial statements for 2018, as shown next. a. Assume that Universal plans to purchase $500,000 in fixed assets during 2018 and to dispose...
-
Your uncle has given you a bond that will pay $\$ 500$ at the end of each year forever into the future. If the market yield on this bond is $8.25 \%$, how much is it worth today?
-
The Bakery by the Bay produces organic bread that is sold by the loaf. Each loaf requires 1/ 2 of a pound of flour. The bakery pays $ 2.00 per pound of the organic flour used in its loaves. The...
-
1. One of your users was recently issued a new Windows 10 computer that was configured by a new administrator in your department. The user reports she received an access denied message while trying...
-
Diane Buswell is preparing the 2013 budget for one of Current Designs rotomolded kayaks. Extensive meetings with members of the sales department and executive team have resulted in the following unit...
-
When 100.0 mL of a weak acid were titrated with 0.093 81 M NaOH, 27.63 mL were required to reach the equivalence point. The pH at the equivalence point was 10.99. What was the pH when only 19.47 mL...
-
Finding the end point from pH measurements. Here are data points around the second apparent end point in Figure 10-5: (a) Prepare a spreadsheet or table analogous to Figure 10-6, showing the first...
-
Maize Water is considering introducing a water filtration device for its 20-ounce water bottles. Market research indicates that 1,000,000 units can be sold if the price is no more than $3. If Maize...
-
On what date is CGT for 2021-22 normally due for payment?
-
There are given utility functions u: R R R
-
a. What is the difference between legal paternity and biological paternity? Why was the distinction important in Pettinato? b. Assume that the paternity issue is not raised in the divorce case and...
-
Karen and Jim obtain a divorce decree that awards Karen $500 a month in alimony until she dies or remarries. A year after the divorce decree becomes final, Karen marries Paul. Jim stops the alimony...
-
In 2021-22, an individual has capital gains of 263,000 and allowable losses of 11,400. He has no unrelieved capital losses brought forward from previous years. His taxable income for 2021-22 (after...
-
Make general journal entries to record the following transactions of Mehta Products for a two-month period: Jun. 30 Recorded cash sales of $115,000 for the month plus PST of 8 percent collected on...
-
Problem 2. (0.6 points, 0.2 points for each question) (a) A company turns its inventory 2 times a month. Its months-of-supply = Its days-of-supply = Please show your analysis below: _months. days. (1...
-
Iodometric analysis of high-temperature superconductor. The procedure in Box 15-3 was carried out to find the effective copper oxidation state, and therefore the number of oxygen atoms, in the...
-
Here is a description of an analytical procedure for superconductors containing unknown quantities of Cu(I), Cu(II), Cu(III), and peroxide (O 2 2- ): 32 "The possible trivalent copper and/or...
-
Li 1 + y CoO 2 is an anode for lithium batteries. Cobalt is present as a mixture of Co(III) and Co(II). Most preparations also contain inert lithium salts and moisture. To find the stoichiometry, Co...
-
Show the adjusting entries that you would make given the additional data below. In addition to the formal journal entry, please also indicate the type of adjusting entry that is being made, ...
-
I need one to three paragraphs written about the awk command in unix. Everything should be in a power point presentation. Make sure it contains the following: Command name Description How to use the...
-
If a firm does not grow as expected subsequent to convertible or bond-with-warrant issues, does that make it more or less likely that the securities will be converted or exercised?
Study smarter with the SolutionInn App