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Two elements X (at.mass 16) and Y (at.ma...

Two elements `X` (at.mass 16) and Y (at.mass 14) combine to form compounds `A,B and C`. The ratio be different masses of Y which combine with a fixed mass of X in `A,B and C` is `1 : 3 : 5.` If 32 parts by mass of X combines with 84 parts by mass of Y in B then in `C,16` parts by mass of X will combine with :

A

(a) `14` parts by mass of Y

B

(b) `42` parts by mass of Y

C

(a) `70` parts by mass of Y

D

(d) `84` parts by mass of Y

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