Chapter F, Problem E.5AST

Interpretation Introduction

Interpretation:

Amount of urea molecule that is present in $\text{2}\text{.3}\times {\text{10}}^{\text{5}}\text{g}$ of urea has to be calculated.

Concept Introduction:

Mole of a substance is defined as the substance that contains the same number of substance as there are the number of atoms present in $\text{12}\text{g}$ of carbon-12 isotope.

Mass of a sample is defined as the amount of sample in moles that is multiplied by molar mass of the sample.

    $\begin{array}{c}\text{Mass of sample}=\text{amount}\text{in}\text{moles}\times \text{Molar mass}\\ m=nM\end{array}$

Where,

    $n$ is the amount in moles.