In an experiment, 11.2 g of element X reacted with 4.8 g of element Y to form a compound.
Calculate the empirical formula of this compound. (Relative atomic masses, ArA_rAr: X = 56, Y = 16)
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.