Define molecular formula.

A compound with empirical formula AB2 has the vapour density equal to its empirical formula weight. Find the molecular formula.

What is the general molecular formula of the products obtained on heating lanthanoids (Ln) with sulphur?

What is the general molecular formula of the products obtained on heating lanthanoids (Ln) with sulphur?

A compound with empirical formula AB2 has the vapour density three times its empirical formula weight. Find the molecular formula.

Write molecular formula of propane

Write molecular formula of butane?

The empirical formula of the compound is CH3. Calculate the molecular formula if molecular mass is 30.

write molecular formula of butanoic acid?