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Chlorine exists in two isotopic forms Cl...

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`

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The correct Answer is:
C
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