In an experiment to investigate the temperature change during neutralisation, a student added magnesium oxide powder to dilute nitric acid. The magnesium oxide was measured and added to the acid using a spatula.
State one way that the measurement of the magnesium oxide could be modified to obtain more precise and reproducible results.
Practise Edexcel GCSE Chemistry Acids 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.