The p H o f 0.15 M of aqueous solution of the monosodium salt of citric acid has to be calculated. Concept Introduction: The p H of a solution of an amphiprotic salt is given below. p H = 1 2 ( p K a 1 + p K a 2 ) ...... ( 1 ) The above equation is valid if S ≫ K w / K a 2 a n d S ≫ K a 1 , where, S is the initial concentration of the salt.

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Answer 1

Question

Chapter 6, Problem 6E.7E

(a)

Interpretation Introduction

Interpretation:

The pH of 0.15 M of aqueous solution of the monosodium salt of citric acid has to be calculated.

Concept Introduction:

The pH of a solution of an amphiprotic salt is given below.

pH=12(pKa1+pKa2)......(1)

The above equation is valid if S≫Kw/Ka2 and S≫Ka1, where, S is the initial concentration of the salt.

(b)

Interpretation Introduction

Interpretation:

The pH of 0.075 M of aqueous solution of the disodium salt of citric acid has to be calculated.

Concept Introduction:

Refer to part (a).

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Experiment: Each team will be provided with 5g of a mixture of acetanilide and salicylic acid. You will divide it into three 1.5 g portions in separate 125 mL Erlenmeyer flasks savıng some for melting point analysis. Dissolve the mixture in each flask in ~60mL of DI water by heating to boiling on a hotplate. Take the flasks off the hotplate once you have a clear solution and let them stand on the bench top for 5 mins and then allow them to cool as described below. Sample A-Let the first sample cool slowly to room temperature by letting it stand on your lab bench, with occasional stirring to promote crystallization. Sample B-Cool the second sample 1n a tap-water bath to 10-15 °C Sample C-Cool the third sample in an ice-bath to 0-2 °C Results: weight after recrystalization and melting point temp. A=0.624g,102-115° B=0.765g, 80-105° C=1.135g, 77-108 What is the percent yield of A,B, and C.

Answer 2

Question

Chapter 6, Problem 6E.7E

(a)

Interpretation Introduction

Interpretation:

The pH of 0.15 M of aqueous solution of the monosodium salt of citric acid has to be calculated.

Concept Introduction:

The pH of a solution of an amphiprotic salt is given below.

pH=12(pKa1+pKa2)......(1)

The above equation is valid if S≫Kw/Ka2 and S≫Ka1, where, S is the initial concentration of the salt.

(b)

Interpretation Introduction

Interpretation:

The pH of 0.075 M of aqueous solution of the disodium salt of citric acid has to be calculated.

Concept Introduction:

Refer to part (a).

Expert Solution & Answer

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Answer 3

Question

Chapter 6, Problem 6E.7E

(a)

Interpretation Introduction

Interpretation:

The pH of 0.15 M of aqueous solution of the monosodium salt of citric acid has to be calculated.

Concept Introduction:

The pH of a solution of an amphiprotic salt is given below.

pH=12(pKa1+pKa2)......(1)

The above equation is valid if S≫Kw/Ka2 and S≫Ka1, where, S is the initial concentration of the salt.

(b)

Interpretation Introduction

Interpretation:

The pH of 0.075 M of aqueous solution of the disodium salt of citric acid has to be calculated.

Concept Introduction:

Refer to part (a).

Expert Solution & Answer

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Answer 4

Question

Chapter 6, Problem 6E.7E

(a)

Interpretation Introduction

Interpretation:

The pH of 0.15 M of aqueous solution of the monosodium salt of citric acid has to be calculated.

Concept Introduction:

The pH of a solution of an amphiprotic salt is given below.

pH=12(pKa1+pKa2)......(1)

The above equation is valid if S≫Kw/Ka2 and S≫Ka1, where, S is the initial concentration of the salt.

(b)

Interpretation Introduction

Interpretation:

The pH of 0.075 M of aqueous solution of the disodium salt of citric acid has to be calculated.

Concept Introduction:

Refer to part (a).

Expert Solution & Answer

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Answer 5

Chapter 6, Problem 6E.7E

(a)

Interpretation Introduction

Interpretation:

The pH of 0.15 M of aqueous solution of the monosodium salt of citric acid has to be calculated.

Concept Introduction:

The pH of a solution of an amphiprotic salt is given below.

pH=12(pKa1+pKa2)......(1)

The above equation is valid if S≫Kw/Ka2 and S≫Ka1, where, S is the initial concentration of the salt.

(b)

Interpretation Introduction

Interpretation:

The pH of 0.075 M of aqueous solution of the disodium salt of citric acid has to be calculated.

Concept Introduction:

Refer to part (a).

Answer 6

Chapter 6, Problem 6E.7E

(a)

Interpretation Introduction

Interpretation:

The pH of 0.15 M of aqueous solution of the monosodium salt of citric acid has to be calculated.

Concept Introduction:

The pH of a solution of an amphiprotic salt is given below.

pH=12(pKa1+pKa2)......(1)

The above equation is valid if S≫Kw/Ka2 and S≫Ka1, where, S is the initial concentration of the salt.

Answer 7

Chapter 6, Problem 6E.7E

(a)

Interpretation Introduction

Interpretation:

The pH of 0.15 M of aqueous solution of the monosodium salt of citric acid has to be calculated.

Concept Introduction:

The pH of a solution of an amphiprotic salt is given below.

pH=12(pKa1+pKa2)......(1)

The above equation is valid if S≫Kw/Ka2 and S≫Ka1, where, S is the initial concentration of the salt.

Answer 8

(b)

Interpretation Introduction

Interpretation:

The pH of 0.075 M of aqueous solution of the disodium salt of citric acid has to be calculated.

Concept Introduction:

Refer to part (a).

Answer 9

(b)

Interpretation Introduction

Interpretation:

The pH of 0.075 M of aqueous solution of the disodium salt of citric acid has to be calculated.

Concept Introduction:

Refer to part (a).

Answer 10

Expert Solution & Answer

Answer 11

Expert Solution & Answer

Answer 12

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Answer 13

Ch. 6 - Prob. 6A.1AST Ch. 6 - Prob. 6A.1BST Ch. 6 - Prob. 6A.2AST Ch. 6 - Prob. 6A.2BST Ch. 6 - Prob. 6A.3AST Ch. 6 - Prob. 6A.3BST Ch. 6 - Prob. 6A.1E Ch. 6 - Prob. 6A.2E Ch. 6 - Prob. 6A.3E Ch. 6 - Prob. 6A.4E

Solution Summary: The author explains the pH of aqueous solution of the monosodium salt of citric acid.

Interpretation:

The pH of 0.075 M of aqueous solution of the disodium salt of citric acid has to be calculated.

Concept Introduction:

Refer to part (a).

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Chapter 6 Solutions

Solution Summary: The author explains the pH of aqueous solution of the monosodium salt of citric acid.

Interpretation: The pH of 0.075 M of aqueous solution of the disodium salt of citric acid has to be calculated. Concept Introduction: Refer to part (a).

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Chapter 6 Solutions

Interpretation:

The pH of 0.075 M of aqueous solution of the disodium salt of citric acid has to be calculated.

Concept Introduction:

Refer to part (a).