Chapter 16.1, Problem 6SSC

Interpretation Introduction

Interpretation:

The concentration of the reactants and products during the course of a chemical reaction needs to be compared.

Concept introduction:

The change in concentration of reactant and product per unit of time is termed as reaction rate of a chemical reaction. It is expressed as $\text{mol}/\left(\text{L}·\text{s}\right)$. The determination of reaction rates is done experimentally by measuring concentration of products or reactants as the actual chemical reaction proceeds.

Answer to Problem 6SSC

During the course of a chemical reaction, concentration of reactant decreases and concentration of product increases.

Explanation of Solution

In a chemical reaction the reacting molecules combines to form products. So, as the reaction proceeds, the amount of reactant in a reaction decreases and the amount of product increases. So, the concentration of reactant is low and the concentration of product is high.

Conclusion

Increase of concentration of product occurs during the course of a chemical reaction.