Jeff followed to procedure for Experiment 4, and collected the following data, which he recorded on his "Data and Calculations" sheet: Row A  Mass of flask = 97.85 g Row B  Mass of flask + unknown = 99.86 g Row C  Mass of graduated cylinder + HCl( aq) = 37.470 g Row D  Mass of emptied graduated cylinder = 26.941 g Row E  Mass of flask containing reaction mixture = 109.55 g What was the mass in grams of the HCl( aq) used by Jeff in this experiment ?

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