Trick to Find Formula of Compound

A in HCP & M occupies 2/3 tetrahedral voids. Find formula of the compound

In an oxide of iron, oxygen forms hcp and iron occupies two out of every three octahedal voids. Find out the formula of unit cell and formula of compound .

Write the formula to find compound interest.

The formula of the compound is :

Calculation Of Formula Of Compounds

Define the formula of a compound

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Empirical formula of a compound is CH_(3)N . If the empieical formula weight is equal to one-fourth of its vapour density, find out the molecular formula of the compound.