Many copper ores are described as low-grade. This means that the percentage of copper in the ore is very small.
14 000 kg14\,000\text{ kg}14000 kg of one copper ore was found to contain 63.0 kg63.0\text{ kg}63.0 kg of copper.
Calculate the percentage of copper in this ore.
Practise Edexcel GCSE Chemistry Obtaining and using metals with exam-style questions for Foundation and Higher tier. 100 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.