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26-04-2024
Chemistry

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40dm'3 HCl (g) at STP reacts with 50g Zn, which is placed in water to form ZnCl₂ and H2. Calculate the mass of H2 produced and unreacted reactant left. (Zn-65,Cl=35.5, H=1) Zn + 2HCI- →ZnCl2 + H2

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