A solution is prepared at 25 °C that is initially 0.36M in diethylamine ((C₂H₂)₂NH), bromide ((C₂H₂)NH₂Br). Calculate the pH of the solution. Round your answer to 2 decimal places. pH = 0 X NH, a weak base with K = 1.3 x 10 and 0.18M in diethylammonium

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Chapter1: Chemical Foundations
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A solution is prepared at 25 °C that is initially 0.36M in diethylamine ((C₂H₂)₂NH), a weak base with K
2H5NH₂Br). Calculate the pH of the solution. Round your answer to 2 decimal places.
((C₂H₂)₂
2
bromide
pH
=
0
X
Ś
1.3 × 10
-3
I
and 0.18M in diethylammonium
Transcribed Image Text:= A solution is prepared at 25 °C that is initially 0.36M in diethylamine ((C₂H₂)₂NH), a weak base with K 2H5NH₂Br). Calculate the pH of the solution. Round your answer to 2 decimal places. ((C₂H₂)₂ 2 bromide pH = 0 X Ś 1.3 × 10 -3 I and 0.18M in diethylammonium
Expert Solution
Step 1: Defining buffer solution

Answer:

Buffer solution is a type of solution that resists the change in its pH on adding small quantity of acid or base. Solution of weak base ((C2H5)2NH) and its conjugate acid (C2H5)2NH2Br) can act like a buffer solution.

Also,

pK subscript straight b equals negative logK subscript straight b
pK subscript straight b equals negative log left parenthesis 1.3 cross times 10 to the power of negative 3 end exponent right parenthesis
pK subscript straight b equals 2.89

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