Question
Asked Oct 15, 2019
Use the References to access important values if needed for this question.
The pH of an aqueous solution of 0.530 M aniline (a weak base with the formula CHNH2) is
Submit Answer
5 question attempts remaining
help_outline

Image Transcriptionclose

Use the References to access important values if needed for this question. The pH of an aqueous solution of 0.530 M aniline (a weak base with the formula CHNH2) is Submit Answer 5 question attempts remaining

fullscreen
check_circle

Expert Answer

Step 1

The reaction of aniline is shown as,

CH5NH3OH
C6H5NH2H20 --
help_outline

Image Transcriptionclose

CH5NH3OH C6H5NH2H20 --

fullscreen
Step 2

The initial concentration of aniline is given as 0.530 M and since it is a weak base let us construct the ICE table

C6H5NH3
C&H5NH2
ОН-
Initial
0.530
0
0
Change
Equilibrium
+x
x
-X
0.530 x
X
X
help_outline

Image Transcriptionclose

C6H5NH3 C&H5NH2 ОН- Initial 0.530 0 0 Change Equilibrium +x x -X 0.530 x X X

fullscreen
Step 3

The Kb value for aniline is 4.3 ...

[C6H5NH3+0h]
Кь
[C6H5NH2]
x][x]
Кь
[0.530-x]
Since x is very small compared to 0.530, hence neglecting it,
4.3 x 10-10
[0.530]
x=1.50 x 10-5 M
[OH x1.50 x 10-5 M
help_outline

Image Transcriptionclose

[C6H5NH3+0h] Кь [C6H5NH2] x][x] Кь [0.530-x] Since x is very small compared to 0.530, hence neglecting it, 4.3 x 10-10 [0.530] x=1.50 x 10-5 M [OH x1.50 x 10-5 M

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Science

Chemistry

Equilibrium Concepts

Related Chemistry Q&A

Find answers to questions asked by student like you

Show more Q&A add
question_answer

Q: Which of the following would be valid uses of a radioactive tracer? embedding a radioactive plug in...

A: A radioactive tracer is used to trace the distribution of material and the way it moves throughout a...

question_answer

Q: A 7.53 L cylinder contains 1.29 mol of gas A and 4.82 mol of gas B, at a temperature of 30.7 °C. Cal...

A: Given that a 7.53 L contains 1.29 mol of gas A and 4.82 mol of gas B at a temperature of 30.7 degree...

question_answer

Q: Answer the questions in the table below about the shape of the phosphorus tetrabromate PBr anion. Ho...

A: Structure of (PBr4)- is shown below,

question_answer

Q: What mass of lithium phosphate is needed to prepare 500. mL of a solution having a lithium ion conce...

A: The moles of Lithium phosphate is calculated as follows,

question_answer

Q: if your target goal is to hace no more than a concentration of CO3-2 dissolved in the water equal to...

A: Concentration of CO32- in mol/L is calculated.

question_answer

Q: 3. Specify which compound in the following pairs of ionic compounds has the higher lattice energy: E...

A: The species with +2 charge has much more columbic attraction than the species with +1 charge. Thus, ...

question_answer

Q: Match the name of the ionic solid with the number of ions which would be formed when the solid is di...

A: All the given three ionic compounds are completely dissolves in water.

question_answer

Q: calculate the molarity 26.33 gC6H12O6 in 1.12 L of solution

A: The moles of C6H12O6 is calculated as,

question_answer

Q: A flask is found to have a mass of 115.35 g. A liquid is added to a buret, and the initial measureme...

A: Given,Mass of the flask = 115.35 gMass of the flask and liquid = 141.10 gInitial volume of liquid in...