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V Part A Hydrobromic acid dissolves solid iron according to the following reaction: Fe(s) + 2 HBr(aq) - FeBr2(aq) + H2(9) What mass of HBr (in g) would you need to dissolve a 3.0 g pure iron bar on a padlock? Express your answer using two significant figures. IVO AEd FOE ? m = g Submit Request Answer Part B What mass of H2 would be produced by the complete reaction of the iron bar? Express your answer using two significant figures. IVO AEQ m = g Submit Request