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Acid-Base Chemistry
Page 4
Questions (825)
Calculate the molar solubilty of CaC2O4 in a solution that has been buffered to a pH of 4.00 Remember to account for reactions
4 answers
asked by
Matt
1,574 views
What is the pH and pOH of a solution made by adding water to 15 grams of hydroiodic acid until the
volume of the solution is 2500
4 answers
asked by
Student 6
1,832 views
Calculate the hydrogen ion concentration, pH, POH, OH‐ in 0.02 H2SO4?
3 answers
asked by
somto
704 views
A 635 mL solution of HBr is titrated with 0.51 M KOH. If it takes 1569 mL of the base solution to reach the equivalence point,
1 answer
asked by
Taylor
398 views
My Question is:
Commercial vinegar usually has a concentration of 5%, per volume. Calculate the [H3O+], if the density of acetic
2 answers
asked by
Kibito
1,273 views
In an aqueous solution the [OH–] is 2.0 x 10–6 M. What is the [H3O+]?
Question 17 options: 1.0 x 10–7 M 2.0 x 10–6 M 1.0
3 answers
asked by
Tamera
1,907 views
Suppose that 0.483 g of an unknown monoprotic weak acid, HA, is dissolved in water. Titration of the solution with 0.250 M
4 answers
asked by
Sara
1,542 views
What concentration of CH3NH3Br is necessary to prepare a pH = 10.00 buffer solution assuming the base concentration is 0.49 M
3 answers
asked by
Yanis
426 views
44.70 ml of 0.100 M NaOH are required to completely neutralize 50.00 ml of a weak monoprotic acid, HA. When 34.43 ml of NaOH are
3 answers
asked by
Cassie
920 views
In a buffer solution, if [Aƒ{] < [HA], which of the following must be true?
a. pH < pKa b. pH = pKa c. pH > pKa d. pH < 7.00 e.
4 answers
asked by
miller
2,563 views
Give the conjugate acid of the following bases: a) NH2-, b) CO3 ^2-, c) HS-, d) OH-
4 answers
asked by
Joseph
1,644 views
4. Write the expression for Ka for the ionization of acetic acid in water.
6 answers
asked by
Sarah
2,118 views
A solution containing nitric acid (HNO3) is to be used in the neutralization titration of a sodium hydroxide (NaOH) solution.
a.
3 answers
asked by
BBen
376 views
The pH of a 0.060 M weak monoprotic acid, HA is 3.44. Calculate the Ka of the acid.
4 answers
asked by
mae
2,184 views
Calculate the ratio of the concentration of CO3-2 & HCO3- ions needed to achieve buffering at pH= 9.50. The PkA2 of H2CO3 is
3 answers
asked by
Zekariyas
1,555 views
Lactic acid is a major component of Ringer’s solution, which is used as an intravenous fluid to maintain fluid balance in
3 answers
asked by
Anonymous
1,747 views
Water molecules can dissociate into hydronium ions
(H3O+ ,often just called H+ for shorthand) and hydroxide ions (OH-). The
3 answers
asked by
Sam
1,153 views
A 0.649 m aqueous solution of a monoprotic acid (HA) freezes at -2.34°C. Find the pKa of this monoprotic acid. Kf of water =
4 answers
asked by
Carlos
1,580 views
Calculate the ph of a solution containing 0.15M HF (ka= 7.1x10^-4) and 0.26M NaF.
3 answers
asked by
Siobhan.R
1,224 views
3. Determine the pH if 0.02 mol of NaOH is added to 1.0L of the buffer described in question #1.
question1: 1. How many grams of
3 answers
asked by
KO
656 views
When HBr is introduced to water to generate a solution, what impact does this addition have on the pH level of the water?
HBr
3 answers
asked anonymously
42 views
Calculate the volume at which pH = pKa if 30.00mL of weak acid with a concentration of 0.0955M is titrated
against a strong base
4 answers
asked by
Caroline
990 views
What is the pH of a solution obtained by adding 145mL of 0.575M HCl to 493mL of a HNO3 solution with a pH of 1.39?
3 answers
asked by
franny
1,290 views
For a solution that is 0.168 M NH3 and 0.104 M NH4Cl calculate the following.?
[OH-] [NH4+] [Cl-] [H3O+] How would you do this
5 answers
asked by
Anonymous
1,142 views
tell whether .1M solutions of the following salts would be acidic, neutral, or basic: CaCl2, CuSO4, (NH4)2SO4, KClO4, KClO4,
3 answers
asked by
maree
1,995 views
A 11.8 mL sample of a HCl solution has a pH of 2.000. What volume of water must be added to change the pH to 4.000?
3 answers
asked by
Kaleen
636 views
Strong base is dissolved in 675 ml of 0.200 m weak acid (ka=3.25x10^-5) to make a buffer with a ph of 3.95. Assume that the
3 answers
asked by
Alexander
560 views
Answer the following two questions about the equivalence point for the titration of 27.8 mL of 0.235 M hypobromous acid (pKa =
2 answers
asked by
Rachel
798 views
What is the original molarity of a solution of weak acid whose Ka= 3.5 x 10^ -5 and pH is 5.20...
I'm lost, please help!
3 answers
asked by
Savannah S.
1,073 views
what is the pH of 0.15 M NaF?
3 answers
asked by
Ellen
1,068 views
A solution is prepared by adding 50 mL of .050 M HCL to 150 mL of .10 M HNO3. Calculate the concentrations. I know I need to
4 answers
asked by
Dannie
2,088 views
How many grams of dry NH4Cl need to be added to 1.80L of 0.200M solution of ammonia,NH3, to prepare a buffer that has a pH of
5 answers
asked by
Jennifer
1,577 views
A solution contains 4.5 × 10 -3M HCl. Determine the following: a. [H 3 O + ] b. [OH -] c. pH
3 answers
asked by
suzac
612 views
Write the equilibrium expression for the Ka of Cl3CCO2H
3 answers
asked by
Cj
570 views
A chemistry student needs to standardize a fresh solution of sodium hydroxide. She carefully weighs out 338.mg of oxalic acid
4 answers
asked by
Emma
6,494 views
Calculate the pH of the buffer formed by mixing 50.0mL of 0.200 F NaH2PO4 with 50.0mL of 0.120 F HCl
2 answers
asked by
Wynona Genesis
1,244 views
A 0.039 M solution of a weak acid (HA) has a pH of 4.28. What is the Ka of the acid?
3 answers
asked by
Syahira
390 views
Calculate the approximate pH of a 0.1 M solution of ethanoic acid at 298 K, given that the
dissociation constant, Ka, is 1.75 x
3 answers
asked by
Emily
691 views
A solution is prepared by mixing 90 ml of 5 M HCl and 30 ml of 8 M HNO3. Water is then added until the final volume is 1 L.
3 answers
asked by
polly
1,024 views
Calculate the pH for each of the following points in the titration of 50.0 mL of a 2.7 M H3PO3(aq) with 2.7 M KOH(aq).
(a) before
3 answers
asked by
Brody
556 views
what is the resultig pH if 0.005 mol of NaOH is added to 100.0mL of buffer containing 0.010 mol acetic acid (CH3COOH,pKa =
4 answers
asked by
Kyle
1,013 views
Calculate the pH at the equivalence point in the titration of 50ml of 0.20 M methylamine (Kb=4.3*10^-4) with a 0.40 M HCL
3 answers
asked by
Katie
1,684 views
What is the hydronium ion concentration of a buffer solution that is 0.10M NaHPO4 and 0.50M NaH2PO4? For H3PO4,Ka1=6.9x10^-3,
4 answers
asked by
Viv
665 views
calculate [H^+] and the pH of 0.025M of HNO3
3 answers
asked by
holly
873 views
You prepare a solution from 10.0 mL of 0.100 M MOPS buffer (3-morpholinopropane-1-sulfonic acid) and 10.0 mL of 0.086 M NaOH.
3 answers
asked by
Sam
1,931 views
a buffer prepared by mixing equal moles of an acid having Ka=4.5x10^-4 and a salt of its conjugate base has a pH of what?
3 answers
asked by
sarah
1,748 views
In a .25 M solution, a weak acid is 3.0% dissociated.
A. calculate the pH of the solution B. calculate the Ka of the acid Please
4 answers
asked by
anonymous
2,207 views
Calculate the pH of a 0.10 M NaHX salt solution. Ka (H2X) = 2.1 x 10-2 Ka (HX-) = 7.3 x 10-8
Calculate the pH of a 0.10 M NaHX
4 answers
asked by
Anonymous
841 views
Calculate the correct volumes of the 0.1M acetic acid solution and the 0.1M sodium acetate solution needed to make 50mL of a
3 answers
asked by
Keighley
870 views
Find the pH of mixture of acids.
0.185 M in HCHO2 and 0.225 M in HC2H3O2 Im using an ice chart of weak acid and putting in strong
5 answers
asked by
L.Bianchessi
1,112 views
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Analytical Chemistry
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