gneet

Question
Q120) A certain amount of a metal whose equivalent mass is 28 displaces 0.7 L of H_{2} at S.T.P. from an acid hence mass of the element is

SOLUTION

Equivalent Weight of metal displaces = 11.2 L of H_{2} gas

11.2L of H_{2} displaced by 28g of metal

× 0.7Lof H2 is displaced by 1.75 g of metal

Answer (a)