An industrial chemist synthesising a pharmaceutical compound calculates the theoretical yield of a reaction to be 45.0 g. After isolating and purifying the product, they obtain an actual yield of 31.5 g.
State two practical reasons why the actual yield of this reaction is less than the calculated theoretical yield.
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.