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The reaction between a piece of magnesium ribbon with excess 2M hydrochloric acid was investigated at
#25^(0)#C by measuring the volume of hydrogen gas produced as the reaction progressed. The Sketch below represents the graph that was obtained.
(a) Name one piece of apparatus that may be used to measure the volume of hydrogen gas produced.
(b) On the same diagram, sketch the curve that would be obtained if the experiment was repeated at #35^(0)#C.