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Question Q120) A certain amount of a metal whose equivalent mass is 28 displaces 0.7 L of H2 at S.T.P. from an acid hence mass of the element is


Equivalent Weight of metal displaces = 11.2 L of H2 gas
11.2L of H2 displaced by 28g of metal
× 0.7Lof H2 is displaced by 1.75 g of metal
Answer (a)