1.

Given that the abundance of isotopes ""^(54)Fe,""^(56)Fe and ""^(57)Fe are 5%, 90% and 5% respectively, the atomic mass of Fe is

Answer»

`55.85`
`55.95`
`55.75`
`56.05`

SOLUTION :At. WT = `(5xx54+90xx56+5xx57)/(100)=55.95`


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