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A certain amount of a metal whose equiva...

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:

A

1.75 g

B

0.875 g

C

` 0.51 g//cm^(3)`

D

7.00 g

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