Question
In: Chemistry
The following buffer was prepared: 50. mL 2.0 M methylamine (CH3NH2) solution and 50. mL of...
The following buffer was prepared: 50. mL 2.0 M methylamine (CH3NH2) solution and 50. mL of 2.0 M methylamine hydrochloride (CH3NH3Cl) solution. The Kb for methylamine is 4.4 x 10-4. What is the pH of the resulting solution after adding 100 mL of 1.0 M KOH to the original buffer solution?
Solutions
queen_honey_blossom answered 2 years agoRelated Solutions
The following buffer was prepared: 50. mL 2.0 M methylamine (CH3NH2) solution and 50. mL of...
The following buffer was prepared:
50. mL 2.0 M methylamine (CH3NH2) solution and 50. mL of 2.0 M
methylamine hydrochloride (CH3NH3Cl) solution. The Kb for
methylamine is 4.4 x 10-4.
What is the pH of the resulting solution after adding 100 ml of
1.0 M HCl to the original buffer solution?
a) 11.12 b) 10.64 c) 12.32 d) 0.48 e) 5.32
The following buffer was prepared: 50. mL 2.0 M methylamine (CH3NH2) solution and 50. mL of...
The following buffer was prepared:
50. mL 2.0 M methylamine (CH3NH2) solution
and 50. mL of 2.0 M methylamine hydrochloride
(CH3NH3Cl) solution. The
Kb for methylamine is 4.4 x
10-4.
A. What is the pH of the resulting solution after adding 200 ml
of 1.0 M HCl to the original buffer solution?
a)11.12
b)
10.64
c)
12.32
d) 0.48
e) 5.32
B.What is the pH of the resulting solution after adding 50 mL of
1.0 M KOH to the...
The following buffer was prepared: 50. mL 2.0 M methylamine (CH3NH2) solution and 50. mL of...
The following buffer was prepared: 50. mL 2.0 M methylamine
(CH3NH2) solution and 50. mL of 2.0 M methylamine hydrochloride
(CH3NH3Cl) solution. The Kb for methylamine is 4.4 x 10-4
What is the pH of the resulting solution after adding 100mL of
1.0M HCl to the original buffer solution?
A) 11.12 B) 10.64 C) 12.32 D) 0.48 E) 5.32 (Correct Answer:
5.32) Please show work, and explain why.
50. mL 2.0 M methylamine (CH3NH2) solution and 50. mL of 2.0 M methylamine hydrochloride (CH3NH3Cl)...
50. mL 2.0 M methylamine (CH3NH2) solution
and 50. mL of 2.0 M methylamine hydrochloride
(CH3NH3Cl) solution. The
Kb for methylamine is 4.4 x
10-4.
What is the pH of the resulting solution after adding 100 mL of
1.0 M KOH to the original buffer solution?
11.12
b)
10.64
c)
12.32
d)
0.48
e) 5.32
50 mL of 2.0 M NaOH is added to a 1.0L buffer solution that is 0.20M...
50 mL of 2.0 M NaOH is added to a 1.0L buffer solution that is
0.20M in HF and 0.20M in KF. The ka for HF is 3.5 x 10^-4.
1. Write the reaction or the buffer only including states and
excluding spectator ions.
2. Write the neutralization reaction that occurs after the
addition of LiOH including states and excluding spectator ions.
3. Calculate the amount of moles remaining and the final
concentration for each component of the solution after...
What is the pH of a 0.360 M solution of Methylamine? Methylamine, CH3NH2, has a Kb...
What is the pH of a 0.360 M solution of Methylamine?
Methylamine, CH3NH2, has a Kb = 4.40 x 10-4.
Thank you!
Calculate the pH and concentrations of CH3NH2 and CH3NH3 in a 0.0395 M methylamine (CH3NH2) solution....
Calculate the pH and concentrations of CH3NH2 and CH3NH3 in a
0.0395 M methylamine (CH3NH2) solution. The Kb of CH3NH2 = 4.47 ×
10-4.
Calculate the pH and concentrations of CH3NH2 and CH3NH3 in a 0.0495 M methylamine (CH3NH2) solution....
Calculate the pH and concentrations of CH3NH2 and CH3NH3 in a
0.0495 M methylamine (CH3NH2) solution. The Kb of CH3NH2 = 4.47 ×
10-4.
Calculate the pH and concentrations of CH3NH2 and CH3NH3 in a 0.0323 M methylamine (CH3NH2) solution....
Calculate the pH and concentrations of CH3NH2 and CH3NH3 in a
0.0323 M methylamine (CH3NH2) solution. The Kb of CH3NH2 = 4.47 ×
10-4.
An aqueous solution contains 0.352 M methylamine (CH3NH2). How many mL of 0.309 M hydrobromic acid...
An aqueous solution contains 0.352 M
methylamine
(CH3NH2).
How many mL of 0.309 M hydrobromic
acid would have to be added to 150 mL of
this solution in order to prepare a buffer with a pH of
10.600.
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