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Acid-Base Equilibrium
Page 6
Questions (295)
This is a question I am presently doing right now which I found in my homework. I am quite sure that in (a) I have to use the
2 answers
asked by
Matthias
542 views
My work:
pH = -log(x) = 4.49 x = 3.2359e-5 3.2359e-5 = 5.72/M When I solved for M, I got that large number... 176764.8987 Ka for
1 answer
asked by
Meche
529 views
Consider 2 separate solutions, one of a weak acid HA and one of HCL. Assume that you started with 10 molecules of each.
Draw a
2 answers
asked by
kevin
518 views
Determine the pkb of methylamine if the kb is 4.4*10^-4.
2 answers
asked by
Terry
520 views
Please judge my answer, thank you
Question: What is the pH of a 1.24 mol/L solution of HCN(aq) if its Ka = 6.2 x 10-10? Answer:
2 answers
asked by
Abigail
535 views
Calculate the concentration of H3O+ that contains 5.5 x 10 ^-5 moles/L OH- at 25 degrees
2 answers
asked by
Natalie
495 views
Suppose that 2.00 mol of HNO2 is dissolved in 1.00L of water at 25 degrees C. Because HNO2 is a weak acid, it is in equilibrium
2 answers
asked by
Shawn
525 views
Use the Henderson Hasselbalch equations to solve for the Ka of the acid.
Solution [HX]=0.200M and [NaX]=0.200M. They both have a
2 answers
asked by
Martha
516 views
Calculate the pOH, pH, and percent protonation of solute in the following aqueous solution.
0.043 M quinine, given that the pKa
2 answers
asked by
Sara
516 views
What is the pH of a buffer solution that is made by adding 21.0 grams of sodium fluoride to 1.00 Liter of 0.15M hydrofluoric
2 answers
asked by
dennis
511 views
calculate the concentrations of H2S04, H30+, HSO4- and SO42- in 0.4 M H2S04 solution
2 answers
asked by
Johnny
515 views
I just need someone to show me how these problems are done then i can do them myself
The Ka values of H2CO3 are shown below. Ka1
2 answers
asked by
Amy
494 views
A solution has [H+] = 4.2 x 10-3 M. The [OH-] in this solution is
Group of answer choices 4.2 x 10-3 M 2.4 x 10-12 M 4.2 x 10-11
1 answer
asked by
a
30 views
A solution of a weak acid will consist of the acid and its conjugate base.
True or False false Yes, of course: Take acetic acid
1 answer
asked by
KHNJ
510 views
The Kw of water varies with temperature. Calculate the pH of water at 46⁰C with a Kw = 1.219 x 10-14.
3 answers
asked by
Ciaria
483 views
Asolution contains a weak monoprotic acid HA and
its sodium salt NaA both at 0.1 M concentration. Show that [OH�] Kw/Ka.
2 answers
asked by
vicha
502 views
What volume of 1.0 M NaOH must be added to 1.5 L of 1.20 M CH3COOH (ka=1.8x10^-5) to make the solution a buffer for pH 4.50?
I do
6 answers
asked by
Charles
487 views
calculate the molar hydroxide ion concentration of each of the following solutions given the pH 4.53. Answer should be for OH-.
P
4 answers
asked by
Anonymous
481 views
Can someone please help me here? It's review for my test. Thanks!
Calculate the expected pH of the buffer prepared in Part I of
2 answers
asked by
Matt
510 views
Calculate the pH of (1)0.150M KC2H3O2:
(2)0.200M pyridine chloride, C5H5NHCl: and(3) 0.500M NaCl
1 answer
asked by
Joshua
469 views
What mass of benzoic acid CH6H5COOH, would you dissolve in 400.0 mL of water to produce a solution with a pH= 2.90? Ka= 6.3 x
2 answers
asked by
papermate
485 views
How much 10.0 M HNO3 must be added to 1.00 L of a buffer that is 0.0100 M acetic acid and 0.100 M sodium acetate to reduce the
1 answer
asked by
Anonymous
495 views
A sample of ammonia (Kb = 1.8 * 10-5) is titrated with 0.1 M H2SO4. At the equivalence point, the pH is approximately
Isn't it
2 answers
asked by
George2
453 views
Acid in vinegar has pka value of 1.85 x 10^-5 at 25oC find the pkb value of its conjugate base?
2 answers
asked by
Ahmad
463 views
The pH of a 0.050 ammonium chloride solution was experimentally determined to be 5.45.
a. write the equation for the chemical
1 answer
asked by
Mark
466 views
You add 20 mM of acetate (CH3COOH), 10 mM of HCl, and 40 mM of KHCO3 into
100 mL of pure water and immediately cap it with a pure
3 answers
asked by
SAMMY
467 views
Can someone please explain how to do this question?
A 0.057M solution of a weak acid has a pH of 4.93. Determine the ionization
1 answer
asked by
polkadot
471 views
This is a question I am presently doing right now which I found in my homework. I am quite sure that in (a) I have to use the
1 answer
asked by
Matthias
449 views
Calculate the[OH-] of a solution of 0.1861M CH3CH2CH2NH3CL if Kb= 5.1*10-4 for CH3CH2CH2NH2
1 answer
asked by
Jude
425 views
If the first pKa of H2S is 7.0, what is the pH of a solution containing 10% H2S- and 90% HS-?
1 answer
asked by
noell
439 views
Write the chemical equation showing dihydrogen phosphate and hydrogen phosphate conjugate acid-base relationship. Identify the
1 answer
asked by
Raphael
443 views
a 2.00l buffer contains 1.00 mol HNO3 mixed with 1.00mol NaNO2
a. write the relevant ionization equation for this buffer. b.
1 answer
asked by
mehek
456 views
What is the concentration of the propionate ion at the equivalence point?
1 answer
asked by
random
454 views
The same quantity of each solute is added to water. Which solution will have the greatest number of H3O+ ions at equilibrium? (1
1 answer
asked anonymously
34 views
Arsenic acid (H3AsO4) is a triprotic acid with Ka1 = 5 10-3, Ka2 = 8 10-8, and Ka3 = 6 10-10. Calculate [H + ], [OH − ],
1 answer
asked anonymously
20 views
If the concentration of CO2(aq) in the blood increases, then the equilibria will shift to the i , and
the concentration of
1 answer
asked anonymously
20 views
In calculating the acid ionization constant what assumptions can you make
1 answer
asked anonymously
15 views
Identify the shift in equilibruim and the effect on the pH of the system when a small quantity of hydrochloric acid is added at
1 answer
asked anonymously
24 views
An equilibrium concentration of the H3O^+(aq) is 8.5 x 10^-4 mol/L. If the inital concentration of anthocyanins, prior to
1 answer
asked anonymously
13 views
What is the equilibrium equation and solution color that would occur when a few drops of phenol red indicator HPr(aq) / Pr^-
1 answer
asked anonymously
32 views
Identify the acid, base, conjugate acid, conjugate base
(CH3)3N + H2O ⇌ (CH3)3NH^+ + OH^-
1 answer
asked anonymously
29 views
Use the "My solution mode" simulation to complete the activity.
Acid-Base Solutions Describe how you could adjust the settings of
1 answer
asked anonymously
26 views
Ph of [OH-] = 0.024
1 answer
asked by
Will
4 views
What is the Ka value for the acid H3PO4 + H2O -> H2PO4- + H3O+.Fill in the following ICE table to help you.
1 answer
asked by
Will
4 views
You begin with a 0.050 M initial solution of HClO2 and when the reaction comes to equilibrium, the pH is measured to be 2.1. Use
1 answer
asked by
Will
5 views
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Parent Categories (28)
Acids and Bases
Aqueous Solutions
Biochemistry
Chemical Equations
Chemical Equations Balancing
Chemical Equilibrium
Chemical Reactions
Chemical Reactions and Equilibrium
Chemical Reactions/Equilibrium
Chemical Solutions
Chemistry
Equilibrium
Equilibrium Chemistry
Equilibrium Constants
Equilibrium Reactions
Organic Chemistry
Physical Chemistry
Reaction Equations
Solution
Solution Calculations
Solution Chemistry
Solution Concentration
Solutions
Solutions and Acids/Bases
Solutions and Concentrations
Solutions and Equilibrium
Stoichiometry
Thermodynamics