Rusting can be prevented by galvanising iron, which involves coating the iron with a protective layer of zinc.
A decorative iron garden gate is to be galvanised. The total surface area of the gate is 1.8 m2.
Calculate the mass of zinc required to coat the surface of this gate with a zinc layer of 220 g m-2.
Practise Edexcel GCSE Chemistry Transition metals, alloys and corrosion with exam-style questions for Foundation and Higher tier. 97 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
