# he vigorous reaction between aluminum and iodine gives the balanced equation: :math&gt; 2 Al ( s ) + 3 I 2 ( s ) → 2 AlI 2 ( s ) . mg src=Images/HTML_99425-9-2QAP_image001.jpg alt="" align="top"/&gt; at do the coefficients in this balanced chemical equation tell us about the proportions in which these substances react on a macroscopic (mole) basis?

### Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781337399425

Chapter
Section

### Introductory Chemistry: A Foundati...

9th Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781337399425
Chapter 9, Problem 2QAP
Textbook Problem
3 views

## he vigorous reaction between aluminum and iodine gives the balanced equation::math> 2 Al ( s ) + 3 I 2 ( s ) → 2 AlI 2 ( s ) .mg src=Images/HTML_99425-9-2QAP_image001.jpg alt="" align="top"/>at do the coefficients in this balanced chemical equation tell us about the proportions in which these substances react on a macroscopic (mole) basis?

Interpretation Introduction

Interpretation:

The information given by the coefficients of the given balanced chemical equation about the proportions in which the given substances react on a macroscopic (mole) basis is to be stated.

Concept Introduction:

In a chemical equation when the number of atoms of an element on the left-hand side is equal to the number of atoms of that element on the right-hand side, it is known as a balanced chemical equation. The balancing of a chemical equation is done to follow the law of conservation of mass.

### Explanation of Solution

The given balanced equation is,

2Al(s)+3I2(s)2AlI3(s)

It is conferred from the above equation that two moles of aluminum react with three moles of iodine to form two moles of Aluminum triiodide

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