In acting as a reduding agent, a piece of metal M weighing 16 grams gives up `2.25 xx 10^(23)` electrons, what is the equivalent weight of the metal

Options

A. 42.83
B. 21.33
C. 83.32
D. 32

Answer

A

Explanation

`N_(A)` electron will be removed by
`( 6.023xx10^(23))/( 2.25 xx 10^(23)) xx 16` gm of metal M
`:.` equiv. wt. of metal is 42.83