Homework Answers
![Date 11 Page from Let Handey on can. ha be the acid. A conjugate Base (acid) (acid) from HiB pH = pka &n. + log [a] [HA] pka](http://img.homeworklib.com/questions/eb74f780-70e0-11ea-8b79-4f232ab5ac57.png?x-oss-process=image/resize,w_560)
Add Answer to:
please can someone answer all five questions thank you
Documentl Word des butler Tell me Home...
Can someone please answer all questions for me thank you Documentl Word des butler Tell me...
Can
someone please answer all questions for me thank you
Documentl Word des butler Tell me Home Insert Draw Design Layout Referer Mailing Review View Help Question 14 What is the ratio of base to acid needed to obtain a pH of 4.66 for buffer containing HCNO and NaCNO? The K, of Havo is 20-10 Question 17 If 16.25 mL of the analyte HNO, is titrated with 10.43 mL of 0.250 M Ca(OH)2, determine the molarity of the analyte solution...
please include the work for each oart , as im trying to practice to get a...
please include the work for each oart , as im trying to
practice to get a better understanding
part 1
part 2
part 3
part 4
part 5
part 6
What is the pH of a solution of the buffer containing 0.0005 M HU5H5NUI NU UUUUU IV C5H5N? The Ką of HC5HsNt is 5.88x10-6 Multiple tries are permitted; however, 20% (1/5) point will be deducted for each incorrect response Select the correct answer to the questions below with regards to...
please show work for each probelm, so I can use to practice. thank you part 1...
please show work for each probelm, so I can use to practice. thank
you
part 1
part 2
part 3
Tries remaining 1 Points out of 1.00 P Flag question What is the pH of a solution that contains 0.50 M H3PO4 and 0.89 M NaH2PO4? The K, of H3PO4 is 7.5x10-3 Multiple tries are permitted; however, 20% (1/4) point will be deducted for each incorrect response How many mL of the titrant HBr is needed to titrate 4.30 mL...
please help with my pre lab additional information Pre-Lab Questions: 1. What is the definition of...
please help with my pre lab
additional information
Pre-Lab Questions: 1. What is the definition of an 'equivalence point' in an acid/base titration? (1 point) 2. In part one of the experiment, you will prepare the acid solutions being titrated from a stock solution. Describe how you will accurately prepare 10.00 mL of 0.100 M HCl solution using a 1.00 M HCI stock solution. In your response to this question, be very specific about the quantities of stock solution and...
please can someone answer all five questions thank you Question 8 What is the pOH of...
please can someone answer all five questions thank you
Question 8 What is the pOH of a 0.01743 M solution of LIHS? The K, of H2S is 8.9x10 Question 9 What is the pOH of a 0.01743M solution of LiHS? The Kg of H2S is 8.9x10 Question 10 What is the pH of a 12.5 M solution of H,SO,? The first proton completely dissociates; the K, for the second proton is 1.2x10- question 12 What is the pH of a...
please help me with 3,4,5 Thank you! 3. Which sample had more moles of HA in...
please help me with 3,4,5
Thank you!
3. Which sample had more moles of HA in it initially? Give reas on ! 4. Do the prelab calculation found in part IIIA below 5. Calculate the (expected) initial concentration of your acid solution (see Part IIIB below to get the initial volume of your acid solution) Acid 2 0 50 40 30 0 10 20 Volume of titrant (base) added (mL) III. Experimental Information and Procedures A.Background and preliminary calculation. You...
please answer all parts!! thank you dotiudiculiududuut 2 30 Consider the buret above, If before starting...
please answer all parts!! thank you
dotiudiculiududuut 2 30 Consider the buret above, If before starting the titration, the buret was read at 0.10ml NaOH, how many mls of NaOH have been added? ס 30 . 00 O 30.10 28.80 29.00 Bududududude A titration was performed with 0.100M NaOH and a weak acid of unknown concentration. Initially the buret was filled to 0.10ml 0.10ml, before the start of the titration. The figure above shows the buret at the endpoint. How...
The table filled is the lab run. Please can you use the three informations provided above...
The table filled is the lab run.
Please can you use the three informations provided above to answer
the empty table
Take Density of vinegar = 1.005g/mol
concentration of NaOH = 0.1205M
Experiment #7. Titration of Vinegar Goals 1. To determine the mass percent of acetic acid in a solution via titration. 2. To master the technique of titration. Introduction Vinegar is a common household item that is found in a number of products from salad dressing to cleaners. Vinegar...
Please explain the correct answer to all three questions. Thank you! Incorrect Question 11 0/1 pts...
Please explain the correct
answer to all three questions. Thank you!
Incorrect Question 11 0/1 pts A 25.0 mL sample of a solution of a monoprotic acid is titrated with a 0.115 M NaOH solution. The titration curve below was obtained. Which of the following indicators would be best for this titration? 12.01 10.0 8.0 pH of solution in flask 6.01 Equivalence Point Indicator methyl orange methyl red bromocresol purple bromthymol blue thymol blue phenolpthalein pka 3.46 5.00 6.12 7.10...
Titration: Acids and Bases 2. How can you determine which acid is diprotic? 3. using the...
Titration: Acids and Bases
2. How can you determine which acid is diprotic?
3. using the answers to questions one and two, which acid is
diprotic?
4. Which base has more hydroxide ions per molecule?
Acid Volume Base Base Initial Volume (mL) Base Final Volume (mL) Volume of Base Used (mL) Acid: Base Ratio Acid 1 20 mL Base 1 50 mL 34.5 15.5 4:3 Acid 2 20 mL Base 1 Acid 1 20 mL Base 2 Acid 2 20...
Can
someone please answer all questions for me thank you
Documentl Word des butler Tell me Home Insert Draw Design Layout Referer Mailing Review View Help Question 14 What is the ratio of base to acid needed to obtain a pH of 4.66 for buffer containing HCNO and NaCNO? The K, of Havo is 20-10 Question 17 If 16.25 mL of the analyte HNO, is titrated with 10.43 mL of 0.250 M Ca(OH)2, determine the molarity of the analyte solution...
please include the work for each oart , as im trying to
practice to get a better understanding
part 1
part 2
part 3
part 4
part 5
part 6
What is the pH of a solution of the buffer containing 0.0005 M HU5H5NUI NU UUUUU IV C5H5N? The Ką of HC5HsNt is 5.88x10-6 Multiple tries are permitted; however, 20% (1/5) point will be deducted for each incorrect response Select the correct answer to the questions below with regards to...
please show work for each probelm, so I can use to practice. thank
you
part 1
part 2
part 3
Tries remaining 1 Points out of 1.00 P Flag question What is the pH of a solution that contains 0.50 M H3PO4 and 0.89 M NaH2PO4? The K, of H3PO4 is 7.5x10-3 Multiple tries are permitted; however, 20% (1/4) point will be deducted for each incorrect response How many mL of the titrant HBr is needed to titrate 4.30 mL...
please help with my pre lab
additional information
Pre-Lab Questions: 1. What is the definition of an 'equivalence point' in an acid/base titration? (1 point) 2. In part one of the experiment, you will prepare the acid solutions being titrated from a stock solution. Describe how you will accurately prepare 10.00 mL of 0.100 M HCl solution using a 1.00 M HCI stock solution. In your response to this question, be very specific about the quantities of stock solution and...
please can someone answer all five questions thank you
Question 8 What is the pOH of a 0.01743 M solution of LIHS? The K, of H2S is 8.9x10 Question 9 What is the pOH of a 0.01743M solution of LiHS? The Kg of H2S is 8.9x10 Question 10 What is the pH of a 12.5 M solution of H,SO,? The first proton completely dissociates; the K, for the second proton is 1.2x10- question 12 What is the pH of a...
please help me with 3,4,5
Thank you!
3. Which sample had more moles of HA in it initially? Give reas on ! 4. Do the prelab calculation found in part IIIA below 5. Calculate the (expected) initial concentration of your acid solution (see Part IIIB below to get the initial volume of your acid solution) Acid 2 0 50 40 30 0 10 20 Volume of titrant (base) added (mL) III. Experimental Information and Procedures A.Background and preliminary calculation. You...
please answer all parts!! thank you
dotiudiculiududuut 2 30 Consider the buret above, If before starting the titration, the buret was read at 0.10ml NaOH, how many mls of NaOH have been added? ס 30 . 00 O 30.10 28.80 29.00 Bududududude A titration was performed with 0.100M NaOH and a weak acid of unknown concentration. Initially the buret was filled to 0.10ml 0.10ml, before the start of the titration. The figure above shows the buret at the endpoint. How...
The table filled is the lab run.
Please can you use the three informations provided above to answer
the empty table
Take Density of vinegar = 1.005g/mol
concentration of NaOH = 0.1205M
Experiment #7. Titration of Vinegar Goals 1. To determine the mass percent of acetic acid in a solution via titration. 2. To master the technique of titration. Introduction Vinegar is a common household item that is found in a number of products from salad dressing to cleaners. Vinegar...
Please explain the correct
answer to all three questions. Thank you!
Incorrect Question 11 0/1 pts A 25.0 mL sample of a solution of a monoprotic acid is titrated with a 0.115 M NaOH solution. The titration curve below was obtained. Which of the following indicators would be best for this titration? 12.01 10.0 8.0 pH of solution in flask 6.01 Equivalence Point Indicator methyl orange methyl red bromocresol purple bromthymol blue thymol blue phenolpthalein pka 3.46 5.00 6.12 7.10...
Titration: Acids and Bases
2. How can you determine which acid is diprotic?
3. using the answers to questions one and two, which acid is
diprotic?
4. Which base has more hydroxide ions per molecule?
Acid Volume Base Base Initial Volume (mL) Base Final Volume (mL) Volume of Base Used (mL) Acid: Base Ratio Acid 1 20 mL Base 1 50 mL 34.5 15.5 4:3 Acid 2 20 mL Base 1 Acid 1 20 mL Base 2 Acid 2 20...
Most questions answered within 3 hours.
-
4CO(g) + 8H2(g) -----> 3CH4(g) +
CO2(g) + 2H2O(l)
Use the following data as needed to...
asked 2 minutes ago -
without using map
1. Write a C++ program to find out the top 10 words in...
asked 16 minutes ago -
1)Calculate the percent ionization of a
0.330 M solution of hypochlorous
acid.
% Ionization = %...
asked 18 minutes ago -
1a) How many grams of K2SO4 are in 250mL
of 0.11 M K2SO4 solution?
_____ g...
asked 9 minutes ago -
The vapor pressure of a solution containing 38.7 g glycerin
(C3H8O3) in 146.2 g ethanol (C2H5OH)...
asked 14 minutes ago -
A physics major is cooking breakfast when he notices that the
frictional force between the steel...
asked 19 minutes ago -
A cyclohexane (c-hex) solution is prepared by fully dissolving
9.11g of a newly synthesized organic compound...
asked 25 minutes ago -
SCHEME :-)
[5 marks] Write a procedure called convert that takes as
arguments: a temperature value...
asked 32 minutes ago -
Are
Acetyl CoA and Pyruvate biological molecules that are used to get
ATP energy in aerobic...
asked 33 minutes ago -
Two waves are traveling on a string, one with a wave function,
y1 = 0.05sin(4x -...
asked 40 minutes ago -
Develop an ideal customer profile for three Dell Customer
groups( a supplier, a global business, and...
asked 43 minutes ago -
Suppose, for any future year, the probability its October rain
is more than 3 inches is...
asked 47 minutes ago