Chapter 3, Problem 36E

Interpretation Introduction

(a)

Interpretation:

The composition for vitamin ${\text{B}}_{\text{1}}$, ${\text{C}}_{\text{12}}{\text{H}}_{\text{17}}{\text{Cl}}_{\text{2}}{\text{N}}_{\text{4}}\text{OS}$ is to be stated.

Concept introduction:

The statement that a compound always contains the same elements in the same proportion by mass is stated by the law of definite composition. The chemical formula gives the composition of the compound.

Interpretation Introduction

(b)

Interpretation:

The composition for vitamin ${\text{B}}_2$, ${\text{C}}_{\text{17}}{\text{H}}_{20}{\text{N}}_{\text{4}}{\text{O}}_6$ is to be stated.

Concept introduction:

The statement that a compound always contains the same elements in the same proportion by mass is stated by the law of definite composition. The chemical formula gives the composition of the compound.