Ammonium sulfate, (NH4)2SO4(\text{NH}_4)_2\text{SO}_4(NH4)2SO4, is a widely used industrial fertilizer. It can be manufactured by two different methods:
atom economy = 100%
atom economy = 56.9%
State why Method 1 has an atom economy of 100% [1].
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.