The molecular formula of barium nitrate is ________.
The symbol of barium is Ba with valency +2.
The formula of nitrate is NO3 with valency -1.
Interchanging the valencies
BaNO3↘↙2+1-=Ba(NO3)2
Hence, the formula of barium nitrate is Ba(NO3)2.
What is a molecular formula? Explain its significance using potassium nitrate as an example.
Write the chemical formula for the following compounds
a) Aluminium sulphate
b) Silver nitrate
c) Magnesium oxide
d) Barium chloride