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The ratio of the mass of C-12 atom to th...

The ratio of the mass of C-12 atom to that of an atom of element X (whose atomicity is four) is `1:9`. The molecular mass of element x is :-

A

`"480 g mol"^(-1)`

B

`"43.2 g mol"^(-1)`

C

`"36 g mol"^(-1)`

D

`"84 g mol"^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
B
`"Molecular mass "=("weight of molecule")/("weight of "(1)/(12)"th part of C"-"12 atom")`
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