Chapter 5, Problem 149AE

Interpretation Introduction

Interpretation: The molar mass and the general molecular of vitamin A is given as ${\text{C}}_x{\text{H}}_y\text{E}$, where $\text{E}$ is an unknown element. The molecular formula of the given vitamin A is to be stated.

Concept introduction: The number of moles of a substance is calculated by the formula,

$\text{Number}\text{of}\text{moles}=\frac{\text{Given}\text{mass}\text{of}\text{the}\text{substance}}{\text{Atomic}\text{mass}\text{of}\text{the}\text{substance}}$

To determine: The molecular formula of the given vitamin A.