The following pictures represent solutions that contain one or more of the compounds H 2 A, NaHA, and Na 2 A, where H 2 A is a weak diprotic acid. (Na + ions and solvent water molecules have been omitted for clarity.) (a) Which of the solutions are buffer solutions? (b) Which solution has the greatest buffer capacity?

Question

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Answer 1

Textbook Question

Chapter 15, Problem 15.34CP

The following pictures represent solutions that contain one or more of the compounds H₂A, NaHA, and Na₂A, where H₂A is a weak diprotic acid. (Na⁺ ions and solvent water molecules have been omitted for clarity.)

(a) Which of the solutions are buffer solutions?
(b) Which solution has the greatest buffer capacity?

Chapter 15, Problem 15.34CP, The following pictures represent solutions that contain one or more of the compounds H2A, NaHA, and

(a)

Expert Solution

Interpretation Introduction

Interpretation:

The buffer solutions should be given from the given representations.

Concept introduction:

Buffer solution:

An equal concentrations of conjugate acid-base pair in a solution is known as buffer solution and it will maintain the pH constantly.

Explanation of Solution

Reason for the correct option:

The given representations are,

General Chemistry: Atoms First, Chapter 15, Problem 15.34CP , additional homework tip 1

Figure 1

From the above given representations, pictures (1) and (4) are represents the buffer solutions because they are only have a conjugate acid-base pair.

Reason for the incorrect options:

Pictures (2) and (3) don’t have a conjugate acid-base pair so they are not a buffer solutions.

Conclusion

The pictures (1) and (4) are represents the buffer solutions.

(b)

Expert Solution

Interpretation Introduction

Interpretation:

The greatest buffer capacity having buffer solutions should be given from the given representations.

Concept introduction:

Buffer solution:

An equal concentrations of conjugate acid-base pair in a solution is known as buffer solution and it will maintain the pH constantly.

The buffer capacity is directly proportional to the concentrations (number) of conjugate acid-base pair in a solution.

Explanation of Solution

Reason for the correct option:

The given representations are,

General Chemistry: Atoms First, Chapter 15, Problem 15.34CP , additional homework tip 2

Figure 1

From the above given representations, picture (4) has more number of conjugate acid-base pairs than (1) so it has greatest buffer capacity.

Reason for the incorrect options:

Pictures (2) and (3) don’t have a conjugate acid-base pair so they are not a buffer solutions and Pictures (1) has the lower number of conjugate acid-base pair than (4) so it has a smallest buffer capacity than (4).

Conclusion

The pictures (4) has the highest buffer capacity.

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Answer 2

Textbook Question

Chapter 15, Problem 15.34CP

The following pictures represent solutions that contain one or more of the compounds H₂A, NaHA, and Na₂A, where H₂A is a weak diprotic acid. (Na⁺ ions and solvent water molecules have been omitted for clarity.)

(a) Which of the solutions are buffer solutions?
(b) Which solution has the greatest buffer capacity?

Chapter 15, Problem 15.34CP, The following pictures represent solutions that contain one or more of the compounds H2A, NaHA, and

(a)

Expert Solution

Interpretation Introduction

Interpretation:

The buffer solutions should be given from the given representations.

Concept introduction:

Buffer solution:

An equal concentrations of conjugate acid-base pair in a solution is known as buffer solution and it will maintain the pH constantly.

Explanation of Solution

Reason for the correct option:

The given representations are,

General Chemistry: Atoms First, Chapter 15, Problem 15.34CP , additional homework tip 1

Figure 1

From the above given representations, pictures (1) and (4) are represents the buffer solutions because they are only have a conjugate acid-base pair.

Reason for the incorrect options:

Pictures (2) and (3) don’t have a conjugate acid-base pair so they are not a buffer solutions.

Conclusion

The pictures (1) and (4) are represents the buffer solutions.

(b)

Expert Solution

Interpretation Introduction

Interpretation:

The greatest buffer capacity having buffer solutions should be given from the given representations.

Concept introduction:

Buffer solution:

An equal concentrations of conjugate acid-base pair in a solution is known as buffer solution and it will maintain the pH constantly.

The buffer capacity is directly proportional to the concentrations (number) of conjugate acid-base pair in a solution.

Explanation of Solution

Reason for the correct option:

The given representations are,

General Chemistry: Atoms First, Chapter 15, Problem 15.34CP , additional homework tip 2

Figure 1

From the above given representations, picture (4) has more number of conjugate acid-base pairs than (1) so it has greatest buffer capacity.

Reason for the incorrect options:

Pictures (2) and (3) don’t have a conjugate acid-base pair so they are not a buffer solutions and Pictures (1) has the lower number of conjugate acid-base pair than (4) so it has a smallest buffer capacity than (4).

Conclusion

The pictures (4) has the highest buffer capacity.

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Answer 3

Textbook Question

Chapter 15, Problem 15.34CP

The following pictures represent solutions that contain one or more of the compounds H₂A, NaHA, and Na₂A, where H₂A is a weak diprotic acid. (Na⁺ ions and solvent water molecules have been omitted for clarity.)

(a) Which of the solutions are buffer solutions?
(b) Which solution has the greatest buffer capacity?

Chapter 15, Problem 15.34CP, The following pictures represent solutions that contain one or more of the compounds H2A, NaHA, and

(a)

Expert Solution

Interpretation Introduction

Interpretation:

The buffer solutions should be given from the given representations.

Concept introduction:

Buffer solution:

An equal concentrations of conjugate acid-base pair in a solution is known as buffer solution and it will maintain the pH constantly.

Explanation of Solution

Reason for the correct option:

The given representations are,

General Chemistry: Atoms First, Chapter 15, Problem 15.34CP , additional homework tip 1

Figure 1

From the above given representations, pictures (1) and (4) are represents the buffer solutions because they are only have a conjugate acid-base pair.

Reason for the incorrect options:

Pictures (2) and (3) don’t have a conjugate acid-base pair so they are not a buffer solutions.

Conclusion

The pictures (1) and (4) are represents the buffer solutions.

(b)

Expert Solution

Interpretation Introduction

Interpretation:

The greatest buffer capacity having buffer solutions should be given from the given representations.

Concept introduction:

Buffer solution:

An equal concentrations of conjugate acid-base pair in a solution is known as buffer solution and it will maintain the pH constantly.

The buffer capacity is directly proportional to the concentrations (number) of conjugate acid-base pair in a solution.

Explanation of Solution

Reason for the correct option:

The given representations are,

General Chemistry: Atoms First, Chapter 15, Problem 15.34CP , additional homework tip 2

Figure 1

From the above given representations, picture (4) has more number of conjugate acid-base pairs than (1) so it has greatest buffer capacity.

Reason for the incorrect options:

Pictures (2) and (3) don’t have a conjugate acid-base pair so they are not a buffer solutions and Pictures (1) has the lower number of conjugate acid-base pair than (4) so it has a smallest buffer capacity than (4).

Conclusion

The pictures (4) has the highest buffer capacity.

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Answer 4

Textbook Question

Chapter 15, Problem 15.34CP

The following pictures represent solutions that contain one or more of the compounds H₂A, NaHA, and Na₂A, where H₂A is a weak diprotic acid. (Na⁺ ions and solvent water molecules have been omitted for clarity.)

(a) Which of the solutions are buffer solutions?
(b) Which solution has the greatest buffer capacity?

Chapter 15, Problem 15.34CP, The following pictures represent solutions that contain one or more of the compounds H2A, NaHA, and

(a)

Expert Solution

Interpretation Introduction

Interpretation:

The buffer solutions should be given from the given representations.

Concept introduction:

Buffer solution:

An equal concentrations of conjugate acid-base pair in a solution is known as buffer solution and it will maintain the pH constantly.

Explanation of Solution

Reason for the correct option:

The given representations are,

General Chemistry: Atoms First, Chapter 15, Problem 15.34CP , additional homework tip 1

Figure 1

From the above given representations, pictures (1) and (4) are represents the buffer solutions because they are only have a conjugate acid-base pair.

Reason for the incorrect options:

Pictures (2) and (3) don’t have a conjugate acid-base pair so they are not a buffer solutions.

Conclusion

The pictures (1) and (4) are represents the buffer solutions.

(b)

Expert Solution

Interpretation Introduction

Interpretation:

The greatest buffer capacity having buffer solutions should be given from the given representations.

Concept introduction:

Buffer solution:

An equal concentrations of conjugate acid-base pair in a solution is known as buffer solution and it will maintain the pH constantly.

The buffer capacity is directly proportional to the concentrations (number) of conjugate acid-base pair in a solution.

Explanation of Solution

Reason for the correct option:

The given representations are,

General Chemistry: Atoms First, Chapter 15, Problem 15.34CP , additional homework tip 2

Figure 1

From the above given representations, picture (4) has more number of conjugate acid-base pairs than (1) so it has greatest buffer capacity.

Reason for the incorrect options:

Pictures (2) and (3) don’t have a conjugate acid-base pair so they are not a buffer solutions and Pictures (1) has the lower number of conjugate acid-base pair than (4) so it has a smallest buffer capacity than (4).

Conclusion

The pictures (4) has the highest buffer capacity.

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Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

(a)

Expert Solution

Interpretation Introduction

Interpretation:

The buffer solutions should be given from the given representations.

Concept introduction:

Buffer solution:

An equal concentrations of conjugate acid-base pair in a solution is known as buffer solution and it will maintain the pH constantly.

Explanation of Solution

Reason for the correct option:

The given representations are,

General Chemistry: Atoms First, Chapter 15, Problem 15.34CP , additional homework tip 1

Figure 1

From the above given representations, pictures (1) and (4) are represents the buffer solutions because they are only have a conjugate acid-base pair.

Reason for the incorrect options:

Pictures (2) and (3) don’t have a conjugate acid-base pair so they are not a buffer solutions.

Conclusion

The pictures (1) and (4) are represents the buffer solutions.

(b)

Expert Solution

Interpretation Introduction

Interpretation:

The greatest buffer capacity having buffer solutions should be given from the given representations.

Concept introduction:

Buffer solution:

An equal concentrations of conjugate acid-base pair in a solution is known as buffer solution and it will maintain the pH constantly.

The buffer capacity is directly proportional to the concentrations (number) of conjugate acid-base pair in a solution.

Explanation of Solution

Reason for the correct option:

The given representations are,

General Chemistry: Atoms First, Chapter 15, Problem 15.34CP , additional homework tip 2

Figure 1

From the above given representations, picture (4) has more number of conjugate acid-base pairs than (1) so it has greatest buffer capacity.

Reason for the incorrect options:

Pictures (2) and (3) don’t have a conjugate acid-base pair so they are not a buffer solutions and Pictures (1) has the lower number of conjugate acid-base pair than (4) so it has a smallest buffer capacity than (4).

Conclusion

The pictures (4) has the highest buffer capacity.

Answer 8

(a)

Expert Solution

Interpretation Introduction

Interpretation:

The buffer solutions should be given from the given representations.

Concept introduction:

Buffer solution:

An equal concentrations of conjugate acid-base pair in a solution is known as buffer solution and it will maintain the pH constantly.

Explanation of Solution

Reason for the correct option:

The given representations are,

General Chemistry: Atoms First, Chapter 15, Problem 15.34CP , additional homework tip 1

Figure 1

From the above given representations, pictures (1) and (4) are represents the buffer solutions because they are only have a conjugate acid-base pair.

Reason for the incorrect options:

Pictures (2) and (3) don’t have a conjugate acid-base pair so they are not a buffer solutions.

Conclusion

The pictures (1) and (4) are represents the buffer solutions.

Answer 9

(a)

Expert Solution

Answer 10

(a)

Expert Solution

Answer 11

Expert Solution

Answer 12

Interpretation Introduction

Interpretation:

The buffer solutions should be given from the given representations.

Concept introduction:

Buffer solution:

An equal concentrations of conjugate acid-base pair in a solution is known as buffer solution and it will maintain the pH constantly.

Answer 13

Explanation of Solution

Reason for the correct option:

The given representations are,

General Chemistry: Atoms First, Chapter 15, Problem 15.34CP , additional homework tip 1

Figure 1

From the above given representations, pictures (1) and (4) are represents the buffer solutions because they are only have a conjugate acid-base pair.

Reason for the incorrect options:

Pictures (2) and (3) don’t have a conjugate acid-base pair so they are not a buffer solutions.

Answer 14

Conclusion

The pictures (1) and (4) are represents the buffer solutions.

Answer 15

(b)

Expert Solution

Interpretation Introduction

Interpretation:

The greatest buffer capacity having buffer solutions should be given from the given representations.

Concept introduction:

Buffer solution:

An equal concentrations of conjugate acid-base pair in a solution is known as buffer solution and it will maintain the pH constantly.

The buffer capacity is directly proportional to the concentrations (number) of conjugate acid-base pair in a solution.

Explanation of Solution

Reason for the correct option:

The given representations are,

General Chemistry: Atoms First, Chapter 15, Problem 15.34CP , additional homework tip 2

Figure 1

From the above given representations, picture (4) has more number of conjugate acid-base pairs than (1) so it has greatest buffer capacity.

Reason for the incorrect options:

Pictures (2) and (3) don’t have a conjugate acid-base pair so they are not a buffer solutions and Pictures (1) has the lower number of conjugate acid-base pair than (4) so it has a smallest buffer capacity than (4).

Conclusion

The pictures (4) has the highest buffer capacity.

Answer 16

(b)

Expert Solution

Answer 17

(b)

Expert Solution

Answer 18

Expert Solution

Answer 19

Interpretation Introduction

Interpretation:

The greatest buffer capacity having buffer solutions should be given from the given representations.

Concept introduction:

Buffer solution:

An equal concentrations of conjugate acid-base pair in a solution is known as buffer solution and it will maintain the pH constantly.

The buffer capacity is directly proportional to the concentrations (number) of conjugate acid-base pair in a solution.

Answer 20

Explanation of Solution

Reason for the correct option:

The given representations are,

General Chemistry: Atoms First, Chapter 15, Problem 15.34CP , additional homework tip 2

Figure 1

From the above given representations, picture (4) has more number of conjugate acid-base pairs than (1) so it has greatest buffer capacity.

Reason for the incorrect options:

Pictures (2) and (3) don’t have a conjugate acid-base pair so they are not a buffer solutions and Pictures (1) has the lower number of conjugate acid-base pair than (4) so it has a smallest buffer capacity than (4).