How many moles of excess reagent are left by the reaction of 6.4 mol of H C l and 3.5 mol of Zn? The reaction that takes place is: Zn + 2 HCl → ZnCl2 + H2
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many moles of hydrogen are needed to react with seven moles of ... 22.8 mot Ha 2. mol HCl = 45.tomol HC ... How many moles of Zn are needed to produce 4.4 moles of H2
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