The empirical formula of the given compound is KMnO4
. The empirical formula is the simplest ratios of the elements in the compound.
What is empirical formula?
The formula that is written as the simplest ratio of the elements in the compounds.
First calculate the moles of elements,
K = 24.74/39.10
K=0.6327 moles
Moles of Mn
34.76/54.94
.6327 moles = Mn moles
Moles of oxygen
40.50/16
=2.53 moles
Now calculate the molar ratios by dividing from smallest number.
Potassium = .6327/.6327=1
Magnesium =.6327/.6327=1
Oxygen = 2.43/.6327 = 4
Therefore, the empirical formula of the given compound is KMn04.