In an industrial reactor, a theoretical calculation showed that 450 tonnes450\text{ tonnes}450 tonnes of ammonia could be produced from a given mass of reactants.
The actual mass of ammonia obtained was 378 tonnes378\text{ tonnes}378 tonnes.
Calculate the percentage yield of ammonia.
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.