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Acids and Bases
Page 5
Questions (2,394)
If a solution of HF (Ka = 6.8*10-4) has a pH of 3.42, calculate the total concentration of hydrofluoric acid.
5 answers
asked by
MARY
3,257 views
Phenolphthalein would not be an appropriate indicator to use to determine the Ka1 of phosphoric acid Why not? what indicator
5 answers
asked by
ERAGON
3,047 views
1. What is the pH of a solution whose [H3O+] is 1 X 10^ -5 M?
2. What is the [H3O+] concentration of a solution with a pH of 9?
4 answers
asked by
Chris
3,467 views
Ka=1.8x10^-5. How do you calculate the value of pKa?
7 answers
asked by
Vivian
13,725 views
A buffer is prepared using acetic acid, CH3COOH, (a weak acid) and sodium acetate, CH3COONa (which provides acetate ions, the
6 answers
asked by
kevin
3,610 views
What is the Brønsted-Lowry base in this reaction: NH2−+CH3OH→NH3+CH3O−
A. NH3 B.CH3OH C.CH3O- D.NH2-
10 answers
asked by
Could i plz get some help?
2,453 views
Find the pH of each mixture of acids.
0.020 M HBr and 0.015 M HClO4. They are both strong acids Si they dissociate completely. Si
4 answers
asked by
L.Bianchessi
4,452 views
An aqueous solution at 25 °C is 10.0% HNO3 by mass and has a density of 1.051 g/mL. What is the pH?
4 answers
asked by
Anonymous
3,845 views
A buffer is prepared using acetic acid, CH3COOH, (a weak acid, pKa = 4.75) and sodium acetate, CH3COONa (which provides acetate
12 answers
asked by
kevin
3,038 views
An aqueous solution of an unknown solute is tested with litmus
paper and found to be acidic. The solution is weakly conducting
4 answers
asked by
Anon
6,872 views
. What is the pH of a solution in which 15 mL of 0.10 M NaOH is added to 25 mL of 0.10
M HCl?
5 answers
asked by
Anonymous
3,425 views
A Solution Has A PH Of 3.4.What Is Its Hydrogen Ion Concentration?
16 answers
asked by
Ola
6,930 views
A solution formed by dissolving an antacid tablet has a pH of 9.18. Calculate [H+].
6 answers
asked by
Anonymous
1,989 views
How much 5M KOH must be added to 1.0 L of 0.1M glycine (pKa 9.6) at pH 9.0 to bring its pH to exactly 10.0?
5 answers
asked by
Cristian
7,703 views
1.What is the pH of a solution containing 0.042 M NaH2PO4 and 0.058 M Na2HPO4 ? The pKa of sodium phosphate is 6.86. pH = 6.86 +
4 answers
asked by
Blake
8,001 views
Write a net ionic equation to show that ascorbic acid, H2C6H6O6, behaves as an acid in water. Consider only its first ionization
4 answers
asked by
Seep
5,649 views
determine the pH of a 0.116 M Ba(OH)2 solution at 25 degrees C.
i keep getting 13.06 for this answer, but the answer is 13.37 :S
7 answers
asked by
Anya
7,656 views
If a neutral solution of water, with pH = 7.00, is heated to 50 deg C , the pH drops to 6.63.
Does this mean that the
5 answers
asked by
greeny
3,327 views
If you add acid or base to a buffer, how will the pH change.
4 answers
asked by
Anne
1,598 views
0.110 M in formic acid and 5.5×10−2 M in hypochlorous acid . How to find pH
5 answers
asked by
Sandov
3,325 views
When the conductivity is at a minimum, what must be true about the amount of Ba(OH)2 compared to H2SO4?
The Ba(OH)2 dissociates
6 answers
asked by
Sara
9,174 views
What is the pH of a 0.36 M HCl solution?
can someone help plz? I don't know how to go about figuring this out.
7 answers
asked by
Gulzaman
3,816 views
You have to prepare a pH 5.00 buffer, and you have the following 0.10M solutions available: HCOOH, HCOONa, CH3COOH, CH3COONa,
5 answers
asked by
Raj
4,749 views
What mass of HNO3 is present in 248.6 mL of a nitric acid solution having a pH = 5.04?
4 answers
asked by
Micah
1,344 views
I am stumped on this one...Please help!!!
Write a balanced base ionization reaction for methylamine (CH3NH2) in water. Identify
4 answers
asked by
Nathan
2,054 views
Is ClO2>- a Bronsted acid, base, or both?
4 answers
asked by
Robert
4,769 views
A detergent solution has a pH of 11.63 at 25°C. What is the hydroxide-ion [OH-] concentration?
6 answers
asked by
S
2,860 views
Lactic acid is a weak acid with the formula , HCH3H5O3, the Ka for lactic acid is 1.38 x 10-4.
In aqueous solution, lactic acid
7 answers
asked by
kevin
2,702 views
Determine the Ka of an acid whose 0.294 M solution has a pH of 2.80.
4 answers
asked by
rena
5,710 views
1. As the strength of a weak acid increases, the proportion of ions to molescules increases or decreases? ... I think that it
5 answers
asked by
April
2,106 views
Calculate the pH of a solution in which
a. [H3O+] = 7.8 x 10-7 M b. [H3O+] = 5.1 x 10-6 M c. [H3O+] = 6.1 x 10-5 M d. [H3O+] =
4 answers
asked by
chelsey
915 views
In a basic solution how does the concentration of H3O+ compare to concentration of OH-?
5 answers
asked by
Anonymous
3,602 views
Acetic acid is a weak acid with the formula , CH3COOH, the Ka for acetic acid is 1.76 x 10-5.
In aqueous solution, acetic acid
4 answers
asked by
jhope
1,250 views
Vinegar is a solution of acetic acid, CH3COOH, dissolved in water. A 4.69 g sample of vinegar was neutralized by 32.97 mL of
4 answers
asked by
Chris
4,296 views
Calculate the pH after 0.010 mol gaseous HCl is added to 250.0 mL of each of the following buffered solutions:
a. .050 M NH3/.15
4 answers
asked by
Joyy
3,497 views
Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Estimate the
6 answers
asked by
Paula
12,750 views
how to determine the pH of a 200mL solution that contains 0.365g of dissolved HCl?
4 answers
asked by
mark
2,015 views
Given acidity constant,Ka of benzoic acid is 6.28 X 10^-5. pH of 0.15 molar solution of this acid is ?
Here is my method: Benzoic
4 answers
asked by
Meenaakshi
3,605 views
Calculate the pH of 0.20 M NaCN solution.
NaCN ---> Na+ + CN- CN- + H20+ ---> HCN+ + OH- Initial conc. of CN- = 0.20 mol/L change
5 answers
asked by
Lena
4,959 views
A. Strong Base
1.) What is the concentration of a solution of KOH for which the pH is 11.89? 2.) What is the pH of a 0.011M
3 answers
asked by
jaycab
4,380 views
100 mL of 1.0 M formic acid (HCOOH) is titrated with 1.0 M sodium hydroxide (NaOh).
The Approximate pKa is 4 At the pKa, what
4 answers
asked by
Aria
7,053 views
Calculate the pH of a 0.053 M (C2H5)2NH solution (Kb = 1.3 10-3).
5 answers
asked by
Kaleen
2,169 views
What is the pH of a solution prepared by dissolving 8.40 g of aniline hydrochloride C6H5NH3Cl in 750 mL of 0.210 M
5 answers
asked by
anonymous
1,168 views
what is the pH of an aqueous solution that is 0.123M NH4Cl
5 answers
asked by
help!!!
2,266 views
Propionic acid has a ka of 1.3x10^(-5), 50.0ml of a buffer solution having a pH of 4.65 is to be prepared using a 0.20 M
4 answers
asked by
Aria
1,069 views
0.1 mol of HCl is added to 1 L of water.
What is [H+] and [OH-]?
4 answers
asked by
Krystal
2,232 views
At 25 degrees Celsius, the base ionization constant for NH3 is 1.8 x ^-5. Determine the percentage ionization of a M solution of
5 answers
asked by
Caitlin
1,352 views
Nitrous acid, HNO2, has a Ka of 7.1 x 10^-4. what are [H3O+], [NO2-], and [OH-] in .920 M HNO2?
4 answers
asked by
Ron
2,167 views
A 25.0 mL sample of 0.100 M propanoic acid (HC3H5O2, Ka = 1.3 ✕ 10-5) is titrated with 0.100 M KOH solution. after the
5 answers
asked by
bill
1,611 views
A 5.00 mL aliquot of vinegar (acetic acid, FW = 63 g/mol) was diluted and
titrated with 0.1104 M NaOH requiring 32.88 mL. If the
6 answers
asked by
Rick
1,699 views
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Atomic Structure and Bonding
Biology
Brønsted-Lowry Theory
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