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Chlorine exists in two isotopic forms, C...

Chlorine exists in two isotopic forms, Cl-37 and Cl-35 but its atomic mass is 35.5. This indicates the ratio of Cl-37 and Cl-35 is approximately

A

`1:2`

B

`1:1`

C

`1:3`

D

`3:1`

Text Solution

Verified by Experts

The fractional atomic mass (35.5) of chlorine is in ordinary chlorine atom, Cl-37 and Cl-35 are present in the ratio of 1:3
So, Average atomic mass of Cl = `(3x35+1x37)/(4)`= 35.5 amu
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