The video tutorial explains how to name hydrated salts, which are ionic compounds with water molecules integrated into their crystal structure. It covers the naming conventions for ionic compounds, the structure of hydrates, and how to denote the number of water molecules in both chemical formulas and verbal descriptions. Examples like cobalt(II) chloride hexahydrate and magnesium sulfate heptahydrate are provided. The video also discusses the process of efflorescence, where hydrates lose water molecules, becoming anhydrous salts.

What is a hydrated salt and how does it differ from an anhydrous salt?

Explain the process of naming a hydrate using cobalt(II) chloride as an example.

What are the prefixes used to indicate the number of water molecules in a hydrate?

Describe the phenomenon of efflorescence and its effect on hydrates.

How can an anhydrous salt become a hydrate?