Using a specific mass of glucose in an industrial fermentation process, it was calculated that a theoretical mass of 250 tonnes250\text{ tonnes}250 tonnes of ethanol could be made.
The actual mass of ethanol produced by the bioreactor was 215 tonnes215\text{ tonnes}215 tonnes.
Calculate the percentage yield of ethanol.
Practise Edexcel GCSE Chemistry Quantitative analysis 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.