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Q.

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

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a

3 : 1 

b

1 : 2

c

1 : 1

d

1 : 3

answer is B.

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Detailed Solution

1 : 1

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