Question

Write chemical formula of the following
a) Magnesium chloride
b) Calcium oxide​

Answer 1

Answer:a)MgCl2. b)CaO

Explanation:

Answer 2

Chemical Formula

It is used to describe the elements and their composition in any Compound.

Some special symbols are used to represent atoms present in that particular Substance.

Magnesium Chloride

MgCl2

• As this compound is composed of 1 Molecule of magnesium and 2 Molecules of Chlorine.
• Molecular weight : 92

Calcium oxide

CaO

• The most simplest ratio can be seen here , 1 molecule of calcium and 1 molecule of Oxygen are present here
• Molecular weight : 56.0

More information

• Calcium oxide is widely used in preparation of cement , mortar and other products that can be used for daily purposes.
• MgCl2 is useful in many cellular activities of human beings .