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Acid-Base Chemistry
Page 3
Questions (825)
What is the pH of a 2.8 M solution of HClO4?
7 answers
asked by
katie
9,362 views
I am trying to figure out how to calculate the ratio of CH3NH2 to CH3NH3Cl required to create a buffer with pH of 10.26, I'm not
4 answers
asked by
moe
2,397 views
A 0.010M NH3 solution was prepared and it was determined that the NH3 had undergone 4.2% ionization. Calculate Kb for NH3 under
4 answers
asked by
Assignment
944 views
1. Calculate the pH for each of the following cases in the titration of 25.0 mL of 0.240 M pyridine, C5H5N(aq) with 0.240 M
4 answers
asked by
Mia
4,155 views
What is the pH of a solution prepared by mixing 100. mL of 0.0500 M HCl with 300. mL of 0.500 M HF? [Ka(HF) = 7.1 × 10–4]
I
4 answers
asked by
M
5,360 views
The pK3 of formic acid is 3.75
A)what is the pH of a buffer in which formic acid and sodium formate have equimolar concentration?
6 answers
asked by
Liz
2,240 views
If a solution of formic acid contains 0.2 M HCHO2, 0.006 M CHO2-, and 0.006 M H+,
What is the Ka of the acid? What is the ph of
4 answers
asked by
Anonymous
2,037 views
how many milliter of .246 M HNO3 should be added to 213 ml of 0.00666 M 2,2'-bipyridine to give a pH of 4.19?
please help, does
4 answers
asked by
bun
1,531 views
Calculate the pH at the equivalence point for the titration of 0.210 M methylamine (CH3NH2) with 0.210 M HCl. The Kb of
4 answers
asked by
Anonymous
3,509 views
Pyridine is a weak base that is used in the manufacture of pesticides and plastic resins. It is also a component of cigarette
4 answers
asked by
joane
3,026 views
45.00 mL of 1.55×10^−2 M HI(aq) is mixed with 85.00 mL of 1.08×10^−2 M KOH(aq). What is the pH of the solution?
6 answers
asked by
Raj
2,045 views
The pH of a 0.164 M aqueous solution of dimethylamine is 11.98. Write the ionization equation,
calculate the values of Kb and pKa
4 answers
asked by
nica
828 views
If a solution contains 0.0100 mole of HCl in 10.0 mL aqueous solution.
a.) What is its molarity? My answer is 1M (0.0100
4 answers
asked by
audrey12
1,029 views
A vitamin C tablet containing 250 mg of ascorbic acid (C6H7O6; Ka = 8.0 x 10-5 is dissolved in a 250 mL glass of water. What is
4 answers
asked by
Finding the pH of a weak acid?
1,863 views
A certain indicator, HA, has a Ka value of 1.3 × 10-6. The protonated form of the indicator is blue and the ionized form is
4 answers
asked by
Nancy
7,656 views
When diluting a weak acid and a strong acid, why is it that the pH changes more significantly in the strong acid? (consider the
3 answers
asked by
Anonymous
594 views
What are the concentrations of HOAc and OAc- in a 0.2 M “acetate” buffer, pH 5.0? The Ka for acetic acid 1.70x10-5 (pKa
4 answers
asked by
Noura
1,464 views
a 5.55g sample of a weak acid with ka=1.3*10^-4 was combined with 5.00ml of 6.00 M NAOH and the resulting solution was diluted
4 answers
asked by
help
3,740 views
What is the H3O+ in a solution that contains 1.48 g HNO3 in 0.560 L of solution?
4 answers
asked by
Angela
1,651 views
A 25.0 mL sample of a 0.100 M solution of aqueous trimethylamine is titrated with a 0.125 M solution of HCl. What is the pH of
7 answers
asked by
Brooke
2,906 views
An unknown compound, X, is though to have a carboxyl group with a pKa of 2.0 and another ionizable group with a pKa between 5
4 answers
asked by
ron
1,676 views
A buffer is made by mixing 52.1 mL of 0.122 M acetic acid with 46.1 mL of 0.182 M sodium acetate. Calculate the pH of this
5 answers
asked by
Chemistry Problem
1,099 views
Calculate the pH of concentrated hydrochloric acid if this solution is 24.8 % HCl by weight and has a density of 1.16 g/mL.
a. )
4 answers
asked by
Anonymous
1,443 views
Carminic acid,a naturally occuring red pigment extracted from the cochineal insect, contains only C,H,and O. It was commonly
4 answers
asked by
Jake
1,588 views
Phenylacetic acid (C6H5CH2COOH) is one of the substances that accumulates in the blood of people with phenylketonuria, an
4 answers
asked by
hannah
3,388 views
Calculate [H3O] in the following solutions.
5.15x10-2M HCl and 7.62x10-2M NaC2H3O2 Responses HCl + NaC2H3O2. It appears there is
5 answers
asked by
tomi
1,732 views
Calculate the pH of a solution whose hydrogen ion concentration is 5×10^-9
4 answers
asked by
Wisdom
1,357 views
HA is an acid that ionizes in 10% in solution. what is the [h+] of a 0.01 m solution of ha?
3 answers
asked by
Karina
1,167 views
The pH of 0.40 M HF(aq) is 1.93. Calculate the change in pH when 0.301 g of sodium fluoride is added to 53.7 mL of the solution.
4 answers
asked by
Sara
631 views
The pH of a 0.55-M aqueous solution of hypobromous acid, HBrO, at 25°C is 4.48. What is the value of Ka for HBrO?
how do you
4 answers
asked by
jessica
6,141 views
calculate the ph at the equivalence point for the titration of 0.01 M Ch3COOH with 0.1 M NaoH ka= Ch3Cooh 1.8E-5
idek how to do
4 answers
asked by
jk
1,523 views
While titrating 25.00mL of a weak acid, HA, with 0.1500M NaOH, you reach equivalence point after adding 27.00mL of the NaOH. The
4 answers
asked by
Sam
5,375 views
What is the [H3O+] of a solution with [OH-] = 6.3 × 10-4 M?
A. 6.3 × 10-18 M B. 10.80 M C. 6.3 × 10-4 M D. 1.6 × 10-11 M
4 answers
asked by
jessica
2,915 views
A 75.0 mL volume of 0.200 M NH3 (Kb=1.8x10^-5) is titrated with 0.500 M HNO3. Calculate the pH after the addition of 28.0 mL of
3 answers
asked by
Billy Bob Reynolds
1,007 views
A 0.185 M solution of a monoprotic acid has a percent ionization of 1.55%. Determine the acid ionization constant (Ka) for the
4 answers
asked by
cindy
1,333 views
A solution is prepared by adding 50.3 mL of concentrated hydrochloric acid and 16.6 mL of concentrated nitric acid to 300 mL of
4 answers
asked by
Andre
2,011 views
Rank the following Bronsted acids from strongest to weakest:
H-SH H-CH3 H-NH2 H-F H-I
4 answers
asked by
George
1,221 views
A 1.0L buffer solution contains 0.100 mol of HC2H3O2
and 0.100 mol of NaC2H3O2 The value of Ka for HC2H3O2 is 1.8×10−5.
3 answers
asked by
Anonymous
1,241 views
What is the (a) [H+], (b) [OH-], (c) pH, and (d) pOH of a 0.002 M solution of HNO3?
3 answers
asked by
YBB
934 views
Calculate the pH values and draw the titration curve for the titration of 500 mL of 0.010 M acetic acid (pKa 4.76) with 0.010
4 answers
asked by
Jasmine
1,149 views
Consider a buffer solution consisting of CH3NH3Cl and CH3NH2. Which of the following statements are true concerning this
3 answers
asked by
bekah
3,296 views
(a) The measured pH of a 0.200 M HBr solution at 25°C is 0.806. Calculate the activity coefficient for H .
(b) The measured pH
3 answers
asked by
kdawg
1,484 views
What is the pH of a 0.36% by mass HCl?(density=1.0 g/mL)
3 answers
asked by
Kiven
928 views
a) Calculate the percent ionization of 0.125M lactic acid (Ka=1.4x10^-4) b) Calculate the percent ionization of 0.125M lactic
3 answers
asked by
Nina
4,182 views
Write an equation that represents how dihydrogen phosphate ion (H2PO4-) behaves as an Arrhenius acid. ( Be sure to include the
4 answers
asked by
Michelle
3,181 views
1.6g of an unknown monoprotic acid (HA) required 5.79 mL of a 0.35 M NaOH solution to reach the equivalence point. Determine the
4 answers
asked by
Tiffany
3,176 views
Give the conjugate base of the following Bronsted-Lowry acids. (Type your answer using the format CO2 for CO2, [H2AsO4]- for
3 answers
asked by
Rebekah
2,283 views
A 500.0-mL buffer solution is 0.100 M in HNO2 and 0.150 M in KNO2. Determine whether or not
each of the following additions would
4 answers
asked by
Johannie
3,838 views
Calculate the pH of a buffered solution that is 0.100M in C6H5COOH (benzoic acid, Ka = 6.4 x 10-5) and 0.100M in sodium benzoate
7 answers
asked by
Rachel
1,878 views
An aqueous solution with a pH of 3.00 is diluted from 2.0 L to 4.0 L. Wht is the pH of the diluted solution?
4 answers
asked by
j
1,374 views
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