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Solved: Determine whether HI can dissolve each metal

Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro ISBN: 9780321809247 1

Solution for problem 107E Chapter 18

Chemistry: A Molecular Approach | 3rd Edition

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Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro

Chemistry: A Molecular Approach | 3rd Edition

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Problem 107E

Problem 107E

Determine whether HI can dissolve each metal sample. If it can, write a balanced chemical reaction showing how the metal dissolves in HI and determine the minimum volume of 3.5 M HI required to completely dissolve the sample.

a. 2.15 gAl

b. 4.85 gCu

c. 2.42 gAg

Step-by-Step Solution:

Problem 107E

Determine whether HI can dissolve each metal sample. If it can, write a balanced chemical reaction showing how the metal dissolves in HI and determine the minimum volume of 3.5 M HI required to completely dissolve the sample.

a. 2.15 gAl

b. 4.85 gCu

c. 2.42 gAg

                                                              Step by step solution

Step 1 of 3

(a)

Most of the acids dissolve metals by the reduction of   ions to  hydrogen gas and corresponding oxidation of the metal to its ion.

The standard reduction potential of the    to  is 0 volts.

The metals which have below these reduction potential values can dissolve in acids.

The reduction potential value of “Ag” is -1.66 V. Hence, it is dissolved in the acid. The chemical reaction is as follows.

 

                                 

Let’s calculate the required moles of hydrogen iodide to dissolve the amount of aluminium .

From the given,

Mass of aluminium = 2.15 g

Concentration of HI = 3.5 M

                                   

                                                           

Hence, the required moles of hydrogen iodide to dissolve the amount of aluminium is 0.239 mol.

Let’s calculate the volume of HI.

                                 

                                                             

Therefore, the required volume of HI to dissolve a given amount of aluminium is 68.29 mL.

Step 2 of 3

Chapter 18, Problem 107E is Solved
Step 3 of 3

Textbook: Chemistry: A Molecular Approach
Edition: 3
Author: Nivaldo J. Tro
ISBN: 9780321809247

This textbook survival guide was created for the textbook: Chemistry: A Molecular Approach, edition: 3. The full step-by-step solution to problem: 107E from chapter: 18 was answered by , our top Chemistry solution expert on 02/22/17, 04:35PM. The answer to “Determine whether HI can dissolve each metal sample. If it can, write a balanced chemical reaction showing how the metal dissolves in HI and determine the minimum volume of 3.5 M HI required to completely dissolve the sample.a. 2.15 gAlb. 4.85 gCuc. 2.42 gAg” is broken down into a number of easy to follow steps, and 44 words. This full solution covers the following key subjects: metal, sample, dissolve, determine, balanced. This expansive textbook survival guide covers 82 chapters, and 9454 solutions. Since the solution to 107E from 18 chapter was answered, more than 2078 students have viewed the full step-by-step answer. Chemistry: A Molecular Approach was written by and is associated to the ISBN: 9780321809247.

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Solved: Determine whether HI can dissolve each metal