Calculate the empirical formula of a compound containing 77.7% Iron and 22.3% of oxygen.
An empirical formula is the simplest whole number ratio of atoms of each element present in the compound.1) Divide by atomic relative mass to find the number of moles. 2) Find a ratio between the moles. 3) Divide the ratios by smallest number. 4) Obtain the number of atoms.1:1 ratio, therefore FeO.
JS
Related Chemistry A Level answers
All answers ▸What is the rate-determining step?
What is the difference between benzene and cyclohexene?
0.250 g of a hydrocarbon known to contain carbon, hydrogen and oxygen was subject to complete combustion and produced 0.3664 g of CO2 and 0.1500 g of H2O. What is the empirical formula of this hydrocarbon?
What are optical isomers?