The amount of Zinc (at. Wt=65) necessary to produce 224 ml of H2 by the reaction with an acid will be______? July 25, 2021January 13, 2020 by admin The amount of Zinc (at. Wt=65) necessary to produce 224 ml of H2 by the reaction with an acid will be______? A. 0.065gm B. 0.65gm C. 6.5gmD. 7.5gm