Question
In: Chemistry
1) Answer the following the questions regarding an acetic acid buffer solution. a) A solution was...
1) Answer the following the questions regarding an acetic acid buffer solution.
a) A solution was prepared by dissolving 0.024 moles of acetic acid (HOAc; pKa =4.8 ) in water to give 1 liter of solution. What is the pH?
b)Then 0.009 moles of sodium hydroxide (NaOH) was added in to the solution. What is the pH of the solution? (In this problem, you may ignore changes in volume due to the addition of NaOH)
c)Additionally, 0.015 moles of NaOH is then added to the solution (2). What is the pH of the solution?
Solutions
queen_honey_blossom answered 1 year agoRelated Solutions
Concept questions: 1) Acetic acid is a weak acid. Why is a 2M solution of acetic...
Concept questions: 1) Acetic acid is a weak acid. Why is a 2M
solution of acetic acid less hazardous than a 2M solution of
hydrochloric acid? 2) What species must be present in a buffer?
Write a chemical reaction that explains how the buffer reacts with
acid and then write a chemical reaction that shows how the buffer
reacts with base. Wxplain how a buffer works.
1. Calculate the pH of the buffer of a solution of 0.02M acetic acid (pKa =...
1. Calculate the pH of the buffer of a solution of 0.02M acetic
acid (pKa = 4.76) and 0.04 M acetate
2. Based on your answer to the previous question, how much of a
0.5 M solution of HCl must be added to 200 mL of the above
mentioned solution to lower the pH to 2.50? Ignore volume
changes.
Question 1 Calculate the concentrations of acetic acid and sodium acetate in the buffer solution you...
Question 1
Calculate the concentrations of acetic acid and sodium acetate
in the buffer solution you will prepare in this experiment:
Acetic acid concentration is Blank .01 M (2 dec places)
Sodium acetate concentration is Blank .01 M (2 dec places)
The theoretical pH of this buffer solution is (hint: use
Henderson-Hasselbach) is 4.74 (2 dec places).
Question 2
Which reaction occurs when you add NaOH to the buffer solution?
(Ac = acetate)
a.
OH- +
H3O+ ↔ 2 H2O...
Question 1 Calculate the concentrations of acetic acid and sodium acetate in the buffer solution you...
Question 1
Calculate the concentrations of acetic acid and sodium acetate
in the buffer solution you will prepare in this experiment:
Acetic acid concentration is Blank .01 M (2 dec places)
Sodium acetate concentration is Blank .01 M (2 dec places)
The theoretical pH of this buffer solution is (hint: use
Henderson-Hasselbach) is 4.74 (2 dec places).
Question 2
Which reaction occurs when you add NaOH to the buffer solution?
(Ac = acetate)
a.
OH- +
H3O+ ↔ 2 H2O...
usign the literature value of the acetic acid aand answer the following questions pKa for acetic...
usign the literature value of the acetic acid aand answer the
following questions
pKa for acetic acid=4.74 , pH=4.35
Group#1: Buffer pH = 4.00
Group#2: Buffer pH = 4.35
Group#3: Buffer pH = 4.70
Group#4: Buffer pH = 5.00
Group#5: Buffer pH = 5.30
Group#6: Buffer pH = 5.60
1. Explain which group should havethe BEST OPTIMAL BUFFER (see
choices above).
2. Explain which group has a buffer that has the HIGHEST
BUFFERING CAPACITY AGAINST NaOH.
3. Explain which group...
Buffer dilution . 100 mL of a 0.1 mM buffer solution made from acetic acid and...
Buffer dilution . 100 mL of a 0.1 mM buffer solution made from
acetic acid and sodium acetate with pH 5.0 is diluted to 1 L . What
is the pH of the diluted solution?
Preparation of the acetic acid-sodium acetate buffer: Calculate the theoretical pH of this buffer solution. 3.504...
Preparation of the acetic acid-sodium acetate buffer:
Calculate the theoretical pH of this buffer
solution.
3.504 grams of
NaC2H3O2*3H2O with 8.8
mL of 3.0 M acetic acid and 55.6 mL of distilled water.
Experimental pH of buffer solution: 4.8
An acetic acid/ sodium acetate buffer solution was prepared using the following components: 3.46 g of...
An acetic acid/ sodium acetate buffer solution was prepared
using the following components:
3.46 g of
NaC2H3O2∙3H2O (FW. 136
g/mol)
9.0 mL of 3.0 M HC2H3O2
55.0 mL of water
-What is the total volume of the solution?
-Calculate the concentration of the
[C2H3O2-] in this
solution.
-Calculate the concentration of the
[HC2H3O2] in this solution.
-Calculate the pH of this buffer solution. The Ka for
acetic acid is 1.8x10-5.
-If you take half of this solution and add 2...
A buffer solution is prepared by mixing 35mL of 0.18M CHCOOH (acetic acid) and 25mL of...
A buffer solution is prepared by mixing 35mL of 0.18M CHCOOH
(acetic acid) and 25mL of 0.23M NaCH3COO (sodium
acetate). Fine the change in pH when 5.0 mL of 0.12M HCl is
added.
Been stuck on this one for a while. If you can show step by step
that would help so much!
A buffer solution is 0.20 M in acetic acid and sodium acetate. Calculate the change in...
A buffer solution is 0.20 M in acetic acid and sodium acetate.
Calculate the change in pH upon adding 1.0mL of 0.10 M HCL to 10mL
of this solution.
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