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Average atomic mass of chlorine is 35.5 ...

Average atomic mass of chlorine is 35.5 then the correct naturally occuring molar ratio of `"^(35)Cl & ^(37)Cl` is

A

`1:3`

B

`3:1`

C

`1:1`

D

`1:4`

Text Solution

Verified by Experts

The correct Answer is:
B
`35.5 = (x xx 37 + (100-x)35)/(100) implies 35.5 = (3500-2x)/(100)`
`2x = 50 implies x = 25 implies ` Ratio 75:25 = 3:1
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