An oxide of vanadium is prepared in a laboratory.
A sample of this vanadium oxide is found to contain 2.04 g of vanadium and 1.60 g of oxygen.
Calculate the empirical formula of this vanadium oxide.
(Relative atomic masses: O=16.0\text{O} = 16.0O=16.0, V=51.0\text{V} = 51.0V=51.0)
You must show your working.
258 exam-style questions on Edexcel GCSE Chemistry Calculations involving masses. Each one has a worked solution and a mark scheme showing where the marks go.