Chapter 5, Problem 118RQ

Interpretation Introduction

Interpretation:

The weight of the copper bar after the completion of the reaction is to be determined. Any necessary chemical equations are to be written and balanced.

Concept Introduction:

The chemical equation which contains the same number of atoms on the product as well as the reactants side is known as balanced chemical equation.

The number of moles of products and reactants are made the same in a balanced chemical equation.

The number of moles of solute is calculated by dividing the mass of the solute by the molar mass of the solute.

$n=\frac{m}{M}$

Here, $m$ is the mass of the solute and $M$ is the molar mass of the solute.

The number of moles present in one liter of the solution is known as the molarity of the solution. It is calculated as:

$M=\frac{n}{V}$

Here, $M$ is the molarity, $V$ is the volume of the solution in liters and $n$ is the number of moles of solute.