Aluminium reacts with copper sulfate solution. Aluminium sulfate and copper are produced.
Write the balanced symbol equation for this reaction.
The reaction is carried out in an open beaker. The total mass of the beaker and its contents does not change. Explain why.
40 exam-style questions on AQA GCSE Chemistry 3.1 Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations, covering 3.1.1 Conservation of mass and balanced chemical equations, 3.1.2 Relative formula mass, 3.1.3 Mass changes when a reactant or product is a gas, and 3.1.4 Chemical measurements. Each one has a worked solution and a mark scheme showing where the marks go.