Question

What are the chemical name and chemical formulas of alum?

Answer 1

Alum

• The chemical formula of alum is ${\text{x Al(SO}}_{\text{4}}{\text{)}}_2{\text{.12H}}_{\text{2}}\text{O}$.
• An example of an alum is a soda alum $\left[\mathrm{Na}\mathrm{Al}{\left({\mathrm{SO}}_4\right)}_2.12{\mathrm{H}}_2\mathrm{O}\right]$.

Uses of alum

• It is commonly used in the purification of water.
• It has cosmetic uses as a deodorant.