What is alum and it's formula
Question
What is alum and it's formula
Solution
Alum is a group of hydrated double salts, usually consisting of aluminum sulfate, water of hydration, and the sulfate of another element. A common type is potassium alum, also known as potash alum. Its chemical formula is KAl(SO4)2·12H2O. This means it contains potassium (K), aluminum (Al), sulfur (S), oxygen (O), and water molecules.
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