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 ▸How can you deduce the order of the reaction with respect to the reagent based on the graph of its concentration against time?
Write a half-equation for the overall oxidation of ethanol into ethanoic acid.
In the presence of carbon monoxide, less oxygen is transported to the blood. Suggest why, in terms of bond strength and stability constants.
Describe the difference in melting points for the elements Sodium and Magnesium