Brass is an alloy of copper and zinc.
A sample of brass was made by mixing 45.5 g of copper with 19.5 g of zinc.
Calculate the percentage of zinc in this brass.
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.
