Questions LLC
Login
or
Sign Up
Ask a New Question
Acids and Bases
Page 7
Questions (2,331)
the concentration of HNO3 in a solution that has a pH of 3.4?
4 answers
asked by
YBB
752 views
i need help solving this
Benzoic acid is a weak, monoprotic acid (Ka = 6.3 × 10−5). Calculate the pH and the percent
4 answers
asked by
Q
1,258 views
A vinegar sample is found to have a density of 1.006 {\rm{ g/mL}} and to contain 4.2\% acetic acid by mass.How many grams of
4 answers
asked by
Roxy
1,341 views
Calculate the pH of a buffer solution obtained by dissolving 16.0 g of KH2PO4(s) and 27.0 g of Na2HPO4(s) in water and then
4 answers
asked by
Jematormal91
3,254 views
The concentration of hydrogen ions in a batch of homemade ketchup is 10-4,. What is the pH level of the ketchup?
4 answers
asked by
Mary
1,472 views
What would be the pH of a 0.563 M solution of ammonia (NH3) at room temperature? The Kb of ammonia is 1.78 × 10−5.
1. 2.5 2. 7
4 answers
asked by
vivian
3,612 views
What is the difference between hydrogen carbonate and carbonic acid? Thanks in advance.
4 answers
asked by
Elora
609 views
Oxalic acid, found in the leaves of rhubarb and other plants, is a diprotic acid.
H2C2O4 + H2O ↔ H3O+ + HC2O4- Ka1= ? HC2O4- +
4 answers
asked by
Ashley
2,730 views
Calculate the pH of the 0.20 M NH3/0.25 M NH4Cl buffer.
I calculated the pH to be 9.15 What is the pH of the buffer after the
4 answers
asked by
Cam
2,545 views
What molar ratio of HPO4 2- to H2PO4 - in solution would produce a pH of 7.0? Phosphoric acid (H3PO4), a triprotonic acid, has
3 answers
asked by
ron
4,524 views
What is the pH of a solution having a hydrogen ion concentration of 1x10^-5 M?
Also the same question, but Hydroxide instead of
4 answers
asked by
sarah
3,548 views
Write the dissociation reaction and the corresponding Ka equilibrium expression for each of the following acids in water. (Use
3 answers
asked by
Chris
3,044 views
The pH of a weak monoprotic acid, HA, is 4.55. It took 39.22 ml of 0.2334 M NaOH to titrate 25.00 ml of the acid.
a. Write an
4 answers
asked by
Cassie
988 views
What is the hydronium ion concentration of an acid rain sample that has a pH of 3.45?
4 answers
asked by
asasa
3,579 views
Phthalic acid, H2C8H404, is a diprotic acid used in the synthesis of phenolphthalein indicator. Ka1= 1.2x 10^-3, and Ka2 = 3.9 x
4 answers
asked by
Rachael
4,031 views
The pH of your swimming pool is found to be 6.89. What is the concentration of H+ ions in the pool?
A. 7.76 × 106 M B. 0.84 M C.
4 answers
asked by
Laura
1,591 views
A solution containing 0.0158 M maleic acid and 0.0226 M disodium maleate. The Ka values for maleic acid are 1.20 × 10-2 (Ka1)
3 answers
asked by
Alex
876 views
a solution of 2.5 M weak acid is .52% ionized. what is the Ka value of this acid?
ive been stuck on this one for a long time and
4 answers
asked by
devon
3,269 views
What is the pH of a 0.20 M HF solution that is 5.8% ionized at 25 Celsius ?
A.4.45 b.0.70 C.1.93 D.1.23 E.1.40
4 answers
asked by
Chem
679 views
What are [H+] and [OH-] for 0.01 M perchloric acid?
a. If [OH-] in a solution is 10-4 M, what is [H+]? b. If 1500 mL of water is
5 answers
asked by
Sarah
762 views
Automobile batteries use 3.0 M H2SO4 as an electrolyte. How much 1.20 M NaOH will be needed to neutralize 225mL of battery acid?
4 answers
asked by
Anonymous
3,936 views
What is the [H3O+] for a neutral solution at 50 degrees celsius?
I know that kw=[H3O+][OH-] but I am not sure what to do to get
4 answers
asked by
Hannah
2,683 views
how do you find PH of 0.010 M HNO3 solution?
4 answers
asked by
Courtney
1,846 views
The poH of a solution of 0.25mol/dm3 of Hcl acid is
4 answers
asked by
peter onoriode
2,200 views
Each of the following solutions has a concentration of 0.1 mol/L. Compare the hydronium ion concentration and pH in each pair
4 answers
asked by
Anonymous
2,874 views
Question..
Nicotinic acid (niacin) is a monoprotic acid with the formula HC6H4NO2. A solution that is 0.012M in the nicotinic
4 answers
asked by
Saira
1,770 views
You wish to prepare a pH 4.76 acetic acid-sodium acetate buffer with a buffer capacity of 1M per ph. What concentration of
2 answers
asked by
Anonymous
165 views
The Ka for a weak acid, HA, is 1.6x10-6. What are the (a) pH and (b) degree of ionization of the acid in a 10-3 M solution? (c)
4 answers
asked by
Noura
1,512 views
Find the hydrogen ion concentration for Ammonia, with a pH of 11.0. Hint: pH=−log[H+].
________moles per liter
4 answers
asked by
George Carl
1,396 views
What is the concentration of a monoprotic weak Acid if its pH is 5.50 and its Ka= 5.7 x 10^-10?
4 answers
asked by
Joshua
1,770 views
Calculate the hydronium ion concentration of blood which has a pH of 7.24.
7.17 x 10-4 M 5.75 x 10-8 M 1.15 x 10-7 M 0.86 M none
4 answers
asked by
Kristin
1,507 views
Phosphoric acid is a triprotic acid, so H3PO4, H2PO4 -, and HPO4 2- are all acids. Which of the solutions below would have the
4 answers
asked by
bob
3,272 views
When a diprotic acid, H2A, is titrated by NaOH, the protons on the diprotic acid are generally removed one at a time, resulting
4 answers
asked by
Franklin
2,764 views
Carbon dioxide dissolves in water to form carbonic acid, which is primarily dissolved CO2. Dissolved CO2 satisfies the
7 answers
asked by
Sam
3,909 views
Which of the following is not amphiprotic?
a)H2O c)NH4+ e)all choices are amphiprotic b)HSO4 – d)H2PO4– need help!
4 answers
asked by
bob
2,860 views
The pH of a solution that contains 0.818 M acetic acid (Ka = 1.76 x 10-5) and 0.172 M sodium acetate is
__________. The Ka of
5 answers
asked by
jack
3,339 views
The pKa of HEPES is 7.55 at 20 degrees C, and its MW is 238.31. Calculate the amounts of HEPES in grams and of 1.0 M NaOH in
4 answers
asked by
Shameca
2,179 views
The pH of a 0.095 M solution of an unknown monoprotic acid is 5.42. Calculate the Ka of the acid.
A) 3.8 x 10-6 B) 3.6 x 10-7 C)
4 answers
asked by
Bronwyn
3,694 views
acetylsalicylic acid (aspirin) HC9H7O4 is the most widely used pain reliever and fever reducer. Find the PH of 0.040 M aqueous
4 answers
asked by
patrick
2,487 views
a vinegar contains acetic acid,CH3COOH.Titration of 5.00g of vinegar with 0.100M of NAOH requires 33.00cm to reach the
4 answers
asked by
OSCAR
1,227 views
Aspirin is a monoprotic acid called acetylsalicylic acid. Its formula is HC9H7O4. A certain pain reliever was analyzed for
3 answers
asked by
walter
2,006 views
What is the pH of a solution prepared by mixing 150 mL of 0.1M HCl with 300mL of 0.1M sodium acetate (NaOAC) and diluting the
4 answers
asked by
Maina john
1,869 views
Which solution has the highest pH?
1. 0.1 M C6H5NH3Cl, Kb C6H5NH2 = 4.2 × 10−10 2. 0.1 M NH2(OH)2Cl, Kb NH2OH = 6.6 × 10−9
5 answers
asked by
Anonymous
4,708 views
A buffer is prepared by transferring equal concentrations of the components of the conjugate pair, C6H5COOH and C6H5COONa, into
4 answers
asked by
Greg
497 views
What is the weakness of the Bronsted-Lowry acids and bases theory?
4 answers
asked by
Dewa
1,402 views
Identify the acid or base behavior of each substance in this reaction:
H2PO4 + H2O <----> H3O+ + HPO4-
4 answers
asked by
Rachael
2,362 views
if 200mg of HCl is added to water to achieve a final volume of 1.00 L, what is the final pH?
3 answers
asked by
Maria
1,204 views
1) You are given solutions of HCl and NaOH and must determine their concentrations. You use 37.0mL of NaOH to titrate 100mL of
4 answers
asked by
Ashley
1,851 views
The pH of a 0.10 M salt solution is found to be 8.10. Determine the Kb and the degree of ionization of the basic ion.
3 answers
asked by
Alex
530 views
sulfamic acid, HSO3NH2, is a strong monoprotic acid that can be used to standardize a strong base :
HSO3NH2(aq)+ KOH(aq) -->
4 answers
asked by
Anonymous
1,365 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (27)
Atomic Structure and Bonding
Biology
Brønsted-Lowry Theory
Chemical Bonding
Chemical Compounds
Chemical Equilibrium
Chemical Reactions
Chemical Reactions and Equations
Chemical Reactions/Solutions
Chemical Solutions
Chemical Substances
Chemistry
Equilibrium
General
Inorganic Chemistry
Ions and Molecules
Laboratory Solutions
Organic Chemistry
Organic compounds
Physical Chemistry
Salts
Science and Chemistry
Science/ Biology
Solution Chemistry
Solutions
Substances
Substances and Compounds