Homework Answers
Add Answer to:
wwey cancel, if appropriate. -uillcant Al4033 0:2 13. Calculate the pH of a acetic acid, HCH2COO....
A buffer solution is 0.78 M in acetic acid and 0.22 M in sodium acetate. Calculate...
A buffer solution is 0.78 M in acetic acid and 0.22 M in sodium acetate. Calculate the solution pH after adding 0.80 g of solid NaOH to 100.0 mL of the buffer solution. Ka of acetic acid is 1.8 10−5 . Assume negligible volume change.
Determine pH and percent ionization for a 0.015M acetic acid solution at 25 degrees C. The...
Determine pH and percent ionization for a 0.015M acetic acid solution at 25 degrees C. The Ka for acetic acid solution is Ka= 1.8 X10-5
A "5% acidity" bottle of vinegar is approx. 0.875 M in acetic acid (Ka = 1.8x10^-5)....
A "5% acidity" bottle of vinegar is approx. 0.875 M in acetic acid (Ka = 1.8x10^-5). a) Determine the approx. pH and percent ionization of acetic acid in this solution. b) Some health experts recommend adding 1 tablespoon (1 ounce) of vinegar to 1 cup of water (a total of 8 ounces). Calculate the approx. pH and percent ionization of acetic acid in this solution. c) How many mL of 0.10 M sodium acetate would be needed to make the...
please answer 23 and 24 *please show all work and calculations * given temperature foart em...
please answer 23 and 24
*please show all work and calculations *
given temperature foart em to reach equilibrium e con 15) Pure Solic and pure liquide are excluded from equilibrium constant pre Cheric £69 kg 19) If a reaction is endothermic, the reaction temperature results in an ineren 20) A solution of ammonia is 2.0% ionized at 25.0 °C. What was the original concentration in M) of the ammonia solution? The Kb at 25.0 °C for ammonia is 1.8...
a) What is the pH of a solution that consist of 0.20 M ammonia, NH3, and...
a) What is the pH of a solution that consist of 0.20 M ammonia, NH3, and 0.20 M ammonium choride, NH4Cl? (Kb for ammonia is 1.8 x 10-5) b) 1.25 g of benzoic acid (C6H5CO2H) and 1.25 g of sodium benzoate (NaC6H5CO2) are dissolved in enough water to make 250 mL solution. Calculate the pH of the solution using the Handerson-Hasselbach equation (Ka for benzoic acid is 6.3 x 10-5). c) What is the pH after adding 82 mg of...
Calculate the pH of a solution made by adding 42 g of sodium acetate, NaCH3COO, to...
Calculate the pH of a solution made by adding 42 g of sodium acetate, NaCH3COO, to 22 g of acetic acid, CH3COOH, and dissolving in water to make 300. mL of solution. Hint given in feedback. The K, for CH3COOH is 1.8 x 10-5 M. As usual, report pH to 2 decimal places. Answer: Calculate the pH of a solution made by adding 59 g of sodium acetate, NaCH3COO, to 22 g of acetic acid, CH3COOH, and dissolving in water...
Calculate the pH of an aqueous acetic acid (HC2H3O2) solution that is 18.0 % acetic acid...
Calculate the pH of an aqueous acetic acid (HC2H3O2) solution that is 18.0 % acetic acid by mass. The Ka of acetic acid = 1.75 x 10−5 . Assume the density of the solution to be 1.03 g/ml.
1) Calculate the pH in the titration of 50.00 mL of 0.060 M acetic acid (CH3COOH)...
1) Calculate the pH in the titration of 50.00 mL of 0.060 M acetic acid (CH3COOH) with a 0.120 M sodium hydroxide, NaOH solution after the addition of the following volumes of base: Ka for acetic acid = 1.8 x 10-5 A) 0 mL pH = B) 10 ml pH =
Calculate the pH for each of the following conditions: a. 0.15M acetic acid b. What is...
Calculate the pH for each of the following conditions: a. 0.15M acetic acid b. What is the pH of the resulting solution if 30.00 mL of 0.15M acetic acid is added to 10.00 mL of 0.15 M NaOH? Assume that the volumes of solutions are additive, Ka = 1.8*10^-5 for CH3CO2H c. What is the pH of a solution made by mixing 30.00 mL of 0.15M acetic acid with 30.00 mL oof 0.15M KOH? Assume that the volumes of the...
A buffer solution that is 0.10 M sodium acetate and 0.20 M acetic acid is prepared. Calculate the initial pH of thi...
A buffer solution that is 0.10 M sodium acetate and 0.20 M acetic acid is prepared. Calculate the initial pH of this solution The K, for CH3COOH is 1.8 x 10-5 M. As usual, report pH to 2 decimal places. Answer: A buffered solution resists a change in pH. Calculate the pH when 21.2 mL of 0.031 M HCl is added to 100.0 mL of the above buffer. Answer:
please answer 23 and 24
*please show all work and calculations *
given temperature foart em to reach equilibrium e con 15) Pure Solic and pure liquide are excluded from equilibrium constant pre Cheric £69 kg 19) If a reaction is endothermic, the reaction temperature results in an ineren 20) A solution of ammonia is 2.0% ionized at 25.0 °C. What was the original concentration in M) of the ammonia solution? The Kb at 25.0 °C for ammonia is 1.8...
Calculate the pH of a solution made by adding 42 g of sodium acetate, NaCH3COO, to 22 g of acetic acid, CH3COOH, and dissolving in water to make 300. mL of solution. Hint given in feedback. The K, for CH3COOH is 1.8 x 10-5 M. As usual, report pH to 2 decimal places. Answer: Calculate the pH of a solution made by adding 59 g of sodium acetate, NaCH3COO, to 22 g of acetic acid, CH3COOH, and dissolving in water...
1) Calculate the pH in the titration of 50.00 mL of 0.060 M acetic acid (CH3COOH) with a 0.120 M sodium hydroxide, NaOH solution after the addition of the following volumes of base: Ka for acetic acid = 1.8 x 10-5 A) 0 mL pH = B) 10 ml pH =
A buffer solution that is 0.10 M sodium acetate and 0.20 M acetic acid is prepared. Calculate the initial pH of this solution The K, for CH3COOH is 1.8 x 10-5 M. As usual, report pH to 2 decimal places. Answer: A buffered solution resists a change in pH. Calculate the pH when 21.2 mL of 0.031 M HCl is added to 100.0 mL of the above buffer. Answer:
Most questions answered within 3 hours.
-
What is the distance run by a runner 50m/hr and
60m/hr?
asked 1 hour ago -
A soft drink machine outputs a mean of 25 ounces per cup. The
machine's output is...
asked 29 minutes ago -
Write a descendant selector rule that affects the <em>
element that is contained within the
<p>...
asked 1 hour ago -
The management of an electrical manufacturing plant determined
that the mean life of their 10 watt...
asked 1 hour ago -
On January 1, Year 1, Prairie Enterprises purchased a parcel of
land for $13,100 cash. At...
asked 1 hour ago -
Question 4: (3 marks)
On a recent PE-sponsored adventure education program, students
went hiking at Devil's...
asked 1 hour ago -
Programming in C#
Create a Money class that has as data members dollars and cents.
Include...
asked 1 hour ago -
A research associate working for Intragene Therapeutics prepares
an investigative PCR reaction to screen human tissue...
asked 2 hours ago -
Calculate the mass of sodium benzoate, NaC6H5COO, that must be
added to 500.0mL of 0.100 M...
asked 2 hours ago -
Four transactions are presently running: (The abbreviation R(A)
means Read(A), and so on)
• T1: R(A),R(B),R(J),W(A),W(B),R(D),R(E),R(G)...
asked 2 hours ago -
A study regarding the relationship between age and the amount of
pressure sales personnel feel in...
asked 2 hours ago -
A 2014 Pew study found that the average US Facebook user has 338
friends. The study...
asked 2 hours ago