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Acid-Base Chemistry
Page 2
Questions (825)
Calculate the pH of a 0.5 M Formic Acid (HCOOH) soln. ka= 0.00018
4 answers
asked by
Anonymous
3,729 views
The pH of arterial blood is 7.42. When 10 mL of the blood is acidified, 5.91 mL of CO2 is produced.
1) what is the total
4 answers
asked by
Andrew
1,108 views
How do acid-base indicators help determine the pH of a solution without the use of a pH meter?
1 answer
asked by
lab
88 views
Given the following neutralization raction: HCO3^- + OH^- <=> CO2[over]3^- + H2O
a. label the conjugate acid-base pairs in this
2 answers
asked by
Andrea
886 views
Calculate the pH at the equivalence point in titrating 0.100 M solutions of each of the following with 0.080 M NaOH.
a)hydrobromi
3 answers
asked by
DANNY
1,900 views
Why does the loss of a proton from cyanic acid yield the same anion as that obtained by the loss of a proton from isocyanic
4 answers
asked by
Shell
2,123 views
a 3.54 grams solid sample of an unknown monoprotic acid was dissolved in distilled water to produce a 47.0 mL solution at 25
4 answers
asked by
jk
979 views
A person during a 24 hour period produced 1.40 litres of urine containing phosphate at a total concentration of 0.0440 M, at a
1 answer
asked by
Andrew
458 views
Glutamic acid [side chain R = (CH2)2CO2H] has pKa values of 2.19, 4.25 and 9.67. What would be the predominant species in
2 answers
asked by
bob
140 views
Glutamic acid [side chain R = (CH2)2CO2H] has pKa values of 2.19, 4.25, and 9.67. What would be the predominant species in
1 answer
asked by
bob
113 views
What is the pH of a buffer made by mixing 1.00 L of 0.020 M benzoic acid, HC,H,O,, with 3.00 L of 0.060 M sodium benzoate,
NaC
2 answers
asked by
James
105 views
Suppose that 0.10 liter of 0.50 molar hydrochloric acid is added to 0.040 liter of the buffer
prepared in (b). Compute the
2 answers
asked by
Psy
84 views
4. Calculate the [π»^+ ] πππ [ππ_3^( β) ] of a 0.175M solution of nitric acid, ππ»π_3^( β).
5.
11 answers
asked anonymously
169 views
The BrΓΈnsted-Lowry definition of an acid is
1 answer
asked by
Swim
67 views
Determine pH of each solution:
0.20 M KI i don't know how you know if you use.. K+H2O->KOH + H or... I- +H2O--> HIO +H Im
5 answers
asked by
ALISON
2,163 views
Calculate the pH of the following:0.02mol of methanoic acid (HCOOH) are given Ka(HCOOH)=1.78Γ10^-14.
7 answers
asked by
Samantha simbi
67 views
What is an acid test?
1 answer
asked anonymously
50 views
Which option correctly shows the concentration of H3O+ ions in pure water?
A. 1.0 Γ 10-7 mol/L B. 1.0 x 10-14 mol/L C. 7 mol/L
2 answers
asked anonymously
66 views
Which acid-base chemical reaction is irreversible?(1 point)
Responses weak acid added to water weak acid added to water water on
2 answers
asked anonymously
73 views
A solution has [H3O+]
[ H 3 O + ] = 6.2Γ10β5 M M . Use the ion product constant of water Kw=[H3O+][OHβ] K w = [ H 3 O + ] [
1 answer
asked anonymously
70 views
Ok here is another one!
Concentrated aqueous HClO4 has a concentration of 14.8 M. Calculate the concentrations of ALL ions
2 answers
asked by
Natalea
808 views
A solution of an unknown monoprotic weak acid was titrated with 0.100 M NaOH. The equivalence point was reached when 37.48 ML of
4 answers
asked by
Keith
1,872 views
1) A conductivity apparatus is not that useful in separating acids from bases because both solutions conduct electricity. True
6 answers
asked by
Anonymous
1,806 views
What is the hydroxide-ion concentration of a 0.240 M oxalic acid, H2C2O4, solution? For
oxalic acid, Ka1 = 5.6 Γ 10β2 and Ka2
3 answers
asked by
swapnil
1,119 views
1. A pure salt solution can be any of the following except
a. basic b. buffered *** c. alkaline c. acidic 2. You can make a
5 answers
asked by
plant
747 views
Write the formula of the conjugate base for acid HClO2 .
4 answers
asked by
chelsea
6,079 views
Consider the ionization constants
cyanic acid (HOCN) : Ka= 3.5Γ10β4; ammonia (NH3): Kb= 1.8Γ10β5. A solution of ammonium
5 answers
asked by
Gabriella
3,465 views
For 520.0mL of a buffer solution that is 0.140M in HC2H3O2 and 0.125M in NaC2H3O2, calculate the initial pH and the final pH
4 answers
asked by
jess
818 views
Calculate the pH of the solution that results from the addition of 12.00mL of 0.225M HNO3 to 20.00mL of 0.210M NH3. Buffer
5 answers
asked by
Anonymous
643 views
15. The concentration of hydroxide ions in a solution of nitric acid 0.2 M is:
a. 2 x 10-14 M b. 5 x 10-14 M c. 5 x 10-7 M d. 2 x
0 answers
asked by
Need Help
1,057 views
What volume (in milliliters) of 0.180 M NaOH should be added to a 0.135 L solution of 0.0230 M glycine hydrochloride (pKa1 =
4 answers
asked by
Deena12
4,453 views
List the conjugate base for the following acids:
1) Acid = CH3CH2CH2NH3^+ Conjugate base = CH3CH2CH2NH2^- 2) Acid =
5 answers
asked by
Hannah
3,530 views
Determine the [H3O+] of a 0.160M solution of benzoic acid.
5 answers
asked by
Katie
2,687 views
What will the pH be if 15 mL of 0.1 M HCl are added to the buffer obtained by mixing 70 mL of 0.5 M CH3NH2 and 30 mL of 1.0 M
6 answers
asked by
Maria
3,583 views
A solution of NaOH(aq) contains 6.2 g of NaOH(s) per 100.0 mL of solution. Calculate the pH and the pOH of the solution at 25
5 answers
asked by
katie
5,812 views
A buffer consists of 0.16 M KHCO3 and 0.39 M K2CO3. Carbonic acid is a diprotic acid with Ka1 = 4.5 10-7 and Ka2 = 4.7 10-11.
(a)
7 answers
asked by
Edward
4,475 views
Methyl violet is an indicator that changes color over a range from pH=0 to pH=1.6. What is the Ka of methyl violet?
7 answers
asked by
che,
4,954 views
About 13% of the acid in a 0.10M solution of a weak acid dissociates to form ions.
What is the H3O+ concentration? What is the
4 answers
asked by
Sara
4,644 views
Calculate the pH of a buffer that is 0.130M in NaHCO3 and 0.295M in Na2CO3
5 answers
asked by
Michael
3,301 views
Consider the ionization constants hypochlorous acid (HOCl) : Ka = 3.5 Γ 10β8; ammonia (NH3) : Kb = 1.8Γ10β5. A solution of
4 answers
asked by
vivian
1,736 views
what is the pH of a buffer that is 0.76 Min HF and 0.98 M in NaF
4 answers
asked by
Fred
702 views
What is the pH of a .0035 M Ba(OH)2 solution.
I did -log(.0070) to find pOH So 14-2.15=11.85 pH? Just want to double check.
4 answers
asked by
Sarah
1,802 views
The approximate concentration of a hydrochloric acid solution is 0.5M. The exact concentration of this solution is to be
5 answers
asked by
Ericka
1,720 views
a. What is the theoretical [H+] of 0.00030 M HCl? Answer: 0.00030
b. The above 0.00030 M HCl solution was prepared in the lab by
4 answers
asked by
Cassie
1,126 views
a sample of freshly pressed apple juice has a pH of 3.76. Calculate [H+].
4 answers
asked by
jaycab
1,774 views
Explain why the volume of 0.100 M NaOH required to reach the equivalence point in the titration of 25.00 mL of 0.100 M HA is the
4 answers
asked by
kobe
3,098 views
A solution formed by dissolving an antacid tablet has a pH of 9.18. Calculate [H+].
7 answers
asked by
jaycab
3,743 views
Calculate the [h3o+] of the following polyprotic acid solution: 0.135 M H2CO3
4 answers
asked by
Krysten
4,399 views
net ionic equation to show that sulfurous acid, H2SO3, behaves as an acid in water.
I got this answer but do not know if it is
5 answers
asked by
Alyssa
5,764 views
1.The pH of a 0.10 mol/L aqueous solution of Fe(NO3)3 is not 7.00. The equation that best accounts for this observation is:
a.
5 answers
asked by
Anonymous
2,623 views
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