Chapter 3.2, Problem 1PE

Interpretation Introduction

Interpretation:

The number of grams of lead $\text{(Pb)}$ in $\text{12}\text{.4 moles}$ has to be calculated.

Concept Introduction:

Moles:

Mole of the compound present in the solution is calculated by molarity, concentration of the compound multiplied with litre, volume of solution.

$\begin{array}{l}\text{No}\text{. of moles (n) = }\frac{\text{mass}}{\text{Molar mass}}\\ \\ \text{Mass}\text{= Molar mass}\times \text{No}\text{. of moles}\end{array}$