Two drops of indicator HIn are added to a 100.0 mL solution of 0.10 M HCl . The questions based on this are to be answered. Concept introduction: A substance that is expected to change its color in response to a change in the chemical properties of a solution is termed as an indicator. The end point in a titration corresponds to a color change of the solution. To determine: The initial color of the solution.

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Answer 1

Question

Chapter 14, Problem 69E

(a)

Interpretation Introduction

Interpretation:

Two drops of indicator HIn are added to a 100.0 mL solution of 0.10 M HCl . The questions based on this are to be answered.

Concept introduction:

A substance that is expected to change its color in response to a change in the chemical properties of a solution is termed as an indicator. The end point in a titration corresponds to a color change of the solution.

To determine: The initial color of the solution.

(b)

Interpretation Introduction

Interpretation:

Two drops of indicator HIn are added to a 100.0 mL solution of 0.10 M HCl . The questions based on this are to be answered.

Concept introduction:

A substance that is expected to change its color in response to a change in the chemical properties of a solution is termed as an indicator. The end point in a titration corresponds to a color change of the solution.

To determine: The initial color of the solution.

(c)

Interpretation Introduction

Interpretation:

Two drops of indicator HIn are added to a 100.0 mL solution of 0.10 M HCl . The questions based on this are to be answered.

Concept introduction:

A substance that is expected to change its color in response to a change in the chemical properties of a solution is termed as an indicator. The end point in a titration corresponds to a color change of the solution.

To determine: The initial color of the solution.

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2. Consider the following titrations: i. 100.0 mL of 0.10 M HCl titrated by 0.10 M NaOH ii. 100.0 mL of 0.10 M NaOH titrated by 0.10 M HCI iii. 100.0 mL of 0.10 M CH3NH₂ titrated by 0.10 M HCl iv. 100.0 mL of 0.10 M HF titrated by 0.10 M NaOH v. 100.0 mL of 0.10 M CH3COOH titrated by 0.10 M NaOH Which has the lowest pH at equivalence? a) i. b) ii. c) iii. d) iv. e) v.

4. Determine whether the following mixtures will result in a buffer solution. Also determine if the pH will be greater than, less than, or equal to pka. The Ka for HCN is 6.2 x 10-10. a. 150. mL 0.150 M HCN with 50.0 mL of 0.150 M HCI b. 150. mL of 0.150 M HCN and 75.0 mL of 0.150 M NaOH c. 150. mL of 0.150 M HCN and 95.0 mL of 0.150 M NaCN d. 150. mL of 0.150 M NaCN and 75.0 mL of 0.150 M NaOH

5. A buffer is made by mixing 1.250 mol formic acid, HCOOH, with 0.750 mol sodium formate, HCOONa in enough water for a total volume of 1.00L. The Ka of formic acid is 1.87 x 10-4 a. What is the pH of this buffer? b. If 0.075 mol HCI is added to this buffer, what is the pH of the resulting buffer? (assume no volume changes) c. If 0.055 mol NaOH is added to this buffer, what is the pH of the resulting buffer? (Assume no volume changes)

Answer 2

Question

Chapter 14, Problem 69E

(a)

Interpretation Introduction

Interpretation:

Two drops of indicator HIn are added to a 100.0 mL solution of 0.10 M HCl . The questions based on this are to be answered.

Concept introduction:

A substance that is expected to change its color in response to a change in the chemical properties of a solution is termed as an indicator. The end point in a titration corresponds to a color change of the solution.

To determine: The initial color of the solution.

(b)

Interpretation Introduction

Interpretation:

Two drops of indicator HIn are added to a 100.0 mL solution of 0.10 M HCl . The questions based on this are to be answered.

Concept introduction:

A substance that is expected to change its color in response to a change in the chemical properties of a solution is termed as an indicator. The end point in a titration corresponds to a color change of the solution.

To determine: The initial color of the solution.

(c)

Interpretation Introduction

Interpretation:

Two drops of indicator HIn are added to a 100.0 mL solution of 0.10 M HCl . The questions based on this are to be answered.

Concept introduction:

A substance that is expected to change its color in response to a change in the chemical properties of a solution is termed as an indicator. The end point in a titration corresponds to a color change of the solution.

To determine: The initial color of the solution.

Expert Solution & Answer

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Answer 3

Question

Chapter 14, Problem 69E

(a)

Interpretation Introduction

Interpretation:

Two drops of indicator HIn are added to a 100.0 mL solution of 0.10 M HCl . The questions based on this are to be answered.

Concept introduction:

A substance that is expected to change its color in response to a change in the chemical properties of a solution is termed as an indicator. The end point in a titration corresponds to a color change of the solution.

To determine: The initial color of the solution.

(b)

Interpretation Introduction

Interpretation:

Two drops of indicator HIn are added to a 100.0 mL solution of 0.10 M HCl . The questions based on this are to be answered.

Concept introduction:

A substance that is expected to change its color in response to a change in the chemical properties of a solution is termed as an indicator. The end point in a titration corresponds to a color change of the solution.

To determine: The initial color of the solution.

(c)

Interpretation Introduction

Interpretation:

Two drops of indicator HIn are added to a 100.0 mL solution of 0.10 M HCl . The questions based on this are to be answered.

Concept introduction:

A substance that is expected to change its color in response to a change in the chemical properties of a solution is termed as an indicator. The end point in a titration corresponds to a color change of the solution.

To determine: The initial color of the solution.

Expert Solution & Answer

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Answer 4

Question

Chapter 14, Problem 69E

(a)

Interpretation Introduction

Interpretation:

Two drops of indicator HIn are added to a 100.0 mL solution of 0.10 M HCl . The questions based on this are to be answered.

Concept introduction:

A substance that is expected to change its color in response to a change in the chemical properties of a solution is termed as an indicator. The end point in a titration corresponds to a color change of the solution.

To determine: The initial color of the solution.

(b)

Interpretation Introduction

Interpretation:

Two drops of indicator HIn are added to a 100.0 mL solution of 0.10 M HCl . The questions based on this are to be answered.

Concept introduction:

A substance that is expected to change its color in response to a change in the chemical properties of a solution is termed as an indicator. The end point in a titration corresponds to a color change of the solution.

To determine: The initial color of the solution.

(c)

Interpretation Introduction

Interpretation:

Two drops of indicator HIn are added to a 100.0 mL solution of 0.10 M HCl . The questions based on this are to be answered.

Concept introduction:

A substance that is expected to change its color in response to a change in the chemical properties of a solution is termed as an indicator. The end point in a titration corresponds to a color change of the solution.

To determine: The initial color of the solution.

Expert Solution & Answer

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Answer 5

Chapter 14, Problem 69E

(a)

Interpretation Introduction

Interpretation:

Two drops of indicator HIn are added to a 100.0 mL solution of 0.10 M HCl . The questions based on this are to be answered.

Concept introduction:

A substance that is expected to change its color in response to a change in the chemical properties of a solution is termed as an indicator. The end point in a titration corresponds to a color change of the solution.

To determine: The initial color of the solution.

(b)

Interpretation Introduction

Interpretation:

Two drops of indicator HIn are added to a 100.0 mL solution of 0.10 M HCl . The questions based on this are to be answered.

Concept introduction:

A substance that is expected to change its color in response to a change in the chemical properties of a solution is termed as an indicator. The end point in a titration corresponds to a color change of the solution.

To determine: The initial color of the solution.

(c)

Interpretation Introduction

Interpretation:

Two drops of indicator HIn are added to a 100.0 mL solution of 0.10 M HCl . The questions based on this are to be answered.

Concept introduction:

A substance that is expected to change its color in response to a change in the chemical properties of a solution is termed as an indicator. The end point in a titration corresponds to a color change of the solution.

To determine: The initial color of the solution.

Answer 6

Chapter 14, Problem 69E

(a)

Interpretation Introduction

Interpretation:

Two drops of indicator HIn are added to a 100.0 mL solution of 0.10 M HCl . The questions based on this are to be answered.

Concept introduction:

A substance that is expected to change its color in response to a change in the chemical properties of a solution is termed as an indicator. The end point in a titration corresponds to a color change of the solution.

To determine: The initial color of the solution.

Answer 7

Chapter 14, Problem 69E

(a)

Interpretation Introduction

Interpretation:

Two drops of indicator HIn are added to a 100.0 mL solution of 0.10 M HCl . The questions based on this are to be answered.

Concept introduction:

A substance that is expected to change its color in response to a change in the chemical properties of a solution is termed as an indicator. The end point in a titration corresponds to a color change of the solution.

To determine: The initial color of the solution.

Answer 8

(b)

Interpretation Introduction

Interpretation:

Two drops of indicator HIn are added to a 100.0 mL solution of 0.10 M HCl . The questions based on this are to be answered.

Concept introduction:

A substance that is expected to change its color in response to a change in the chemical properties of a solution is termed as an indicator. The end point in a titration corresponds to a color change of the solution.

To determine: The initial color of the solution.

Answer 9

(b)

Interpretation Introduction

Interpretation:

Two drops of indicator HIn are added to a 100.0 mL solution of 0.10 M HCl . The questions based on this are to be answered.

Concept introduction:

A substance that is expected to change its color in response to a change in the chemical properties of a solution is termed as an indicator. The end point in a titration corresponds to a color change of the solution.

To determine: The initial color of the solution.

Answer 10

(c)

Interpretation Introduction

Interpretation:

Two drops of indicator HIn are added to a 100.0 mL solution of 0.10 M HCl . The questions based on this are to be answered.

Concept introduction:

A substance that is expected to change its color in response to a change in the chemical properties of a solution is termed as an indicator. The end point in a titration corresponds to a color change of the solution.

To determine: The initial color of the solution.

Answer 11

(c)

Interpretation Introduction

Interpretation:

Two drops of indicator HIn are added to a 100.0 mL solution of 0.10 M HCl . The questions based on this are to be answered.

Concept introduction:

A substance that is expected to change its color in response to a change in the chemical properties of a solution is termed as an indicator. The end point in a titration corresponds to a color change of the solution.

To determine: The initial color of the solution.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 14 - What is meant by the presence of a common ion? How...Ch. 14 - Define a buffer solution. What makes up a buffer...Ch. 14 - Prob. 3RQ Ch. 14 - A good buffer generally contains relatively equal...Ch. 14 - Prob. 5RQ Ch. 14 - Prob. 6RQ Ch. 14 - Sketch the titration curve for a weak acid...Ch. 14 - Sketch the titration curve for a weak base...Ch. 14 - What is an acidbase indicator? Define the...Ch. 14 - Prob. 10RQ

Solution Summary: The author explains how indicator HIn is added to a solution of 0.10; the end point corresponds to the color change of the solution.

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