Hydrogen gas is prepared in the laboratory by reacting dil HCl with granulated zinc. Follwing reaction takes place ; Zn +2HClZnCl2+H2 Calculate the volume of hydrogen gas liberated at STP when 32.65g of zinc reacts with dil. HCl. 1mol of a gas occupies 22.7Lvolume at STP. (atomic mass of zinc=65.3u)​

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