A-LevelChemistryAnalytical techniquesMay/June 2020Paper 5 Q113 Marks
A student plans to carry out an experiment to find the relative molecular mass, Mr, of a soluble acidic gas, X, by finding the mass of a measured volume of gas X. Gas X can be prepared by the reaction between concentrated sulfuric acid and copper. Two methods of gas collection are available to the student, as shown. [Figure 1.1]
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