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Acids and Bases
Page 7
Questions (2,394)
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
4,532 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
3,561 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
3,047 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
996 views
What is the hydronium ion concentration of an acid rain sample that has a pH of 3.45?
4 answers
asked by
asasa
3,584 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
4,034 views
The basicity of tetraoxosulphate (iv) acid with 2 explain this statement with an equation show the reaction between the acid and
4 answers
asked by
Uju
1,328 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
1,603 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
882 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
3,286 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
681 views
Calculate the pH after 0.12 mol of NaOH is added to 1.00 L of 0.60 M HF and 1.06 M KF
4 answers
asked by
michele
1,083 views
If 0.630 grams of HNO3 (molecular weight 63.0) are placed in 1 liter of distilled water at 25 degrees C, what will be the pH of
5 answers
asked by
Sharon
2,499 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
769 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
3,947 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
2,692 views
how do you find PH of 0.010 M HNO3 solution?
4 answers
asked by
Courtney
1,855 views
The poH of a solution of 0.25mol/dm3 of Hcl acid is
4 answers
asked by
peter onoriode
2,207 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
1,778 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
171 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
1,520 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
1,404 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
1,772 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
1,513 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
3,277 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
2,773 views
Carbon dioxide dissolves in water to form carbonic acid, which is primarily dissolved CO2. Dissolved CO2 satisfies the
7 answers
asked by
Sam
3,919 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
2,869 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
3,344 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
2,191 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
3,708 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
2,493 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
1,234 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
2,023 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
1,875 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
4,717 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
502 views
What is the weakness of the Bronsted-Lowry acids and bases theory?
4 answers
asked by
Dewa
1,414 views
Identify the acid or base behavior of each substance in this reaction:
H2PO4 + H2O <----> H3O+ + HPO4-
4 answers
asked by
Rachael
2,374 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
1,217 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
1,854 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
535 views
Do strong and weak acids require equal numbers of drops of NaOH to neutralize?
I THINK not....but i am not entirely sure......
4 answers
asked by
Alexa
2,154 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
1,375 views
Calculate the pH of each of the following solutions:
a) .35 M hydrochloric acid, HCl b) .35 M acetic acid, HC2H3O2 c) .35 M
4 answers
asked by
Mandy
3,448 views
The Ka for a particular weak acid is 4.0 x 10-9. Calculate the pH of a 0.040 M solution of this acid.
whats the relation b/w Ka
4 answers
asked by
A.A
914 views
A 0.25 mol/L solution of benzoic acid, KC7H5O2 and antiseptic also used as a food preservative, has a pH of 2.40. Calculate the
6 answers
asked by
Dustin
1,232 views
Predict whether aqueous solutions of the following salts are acidic, basic, or neutral, and
write an equation for the reaction of
3 answers
asked by
pei
175 views
FIND THE PH IN WHICH HYDROGEN ION CONCENTRATION IS 6.38*10-6 MOL/DM CUBE
3 answers
asked by
BENEFIT
336 views
calculate the [H3O+] if
pH= 2.9
4 answers
asked by
Andrea
697 views
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