Chapter 11, Problem 10ST

Interpretation Introduction

Interpretation:

The water of crystallization $(X)$ for unknown sodium dichromate hydrate ${\text{Na}}_{\text{2}}{\text{Cr}}_{\text{2}}{\text{O}}_{\text{7}}\cdot X{\text{H}}_{\text{2}}\text{O}$ is to be identified.

Concept introduction:

A hydrate is an inorganic crystalline compound which contains certain amount of water molecules. When a hydrate is heated, the water gets evaporated and the dry compound is formed known as anhydrous compound. The number of water molecules in a hydrate compound is known as water of crystallization.