Chapter 11, Problem 8CE

Interpretation Introduction

Interpretation:

Among ${\text{CaCl}}_{\text{2}}\cdot {\text{H}}_{\text{2}}\text{O}$, ${\text{CaCl}}_{\text{2}}\cdot 2{\text{H}}_{\text{2}}\text{O}$, and ${\text{CaCl}}_{\text{2}}\cdot 6{\text{H}}_{\text{2}}\text{O}$, the one that has the highest percentage of water is to be stated.

Concept introduction:

The mass of water hydrate is defined as the ratio of mass of the water present in the hydrate to the mass of hydrated compound.

The formula of the percent of water hydrate is shown below.

$\text{Percentage of water}=\frac{\text{Mass}\text{of}\text{water}}{\text{Mass}\text{of}\text{hydrate}}\times 100$