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A compound contains 20% sulphur. The mol...

A compound contains 20% sulphur. The molecular weight of the compound could be

A

80

B

240

C

400

D

640

Text Solution

Verified by Experts

The correct Answer is:
D
20g sulphur - 100g compound
32 g sulphur - `(32xx100)/(20)=160g` compound
Minimum molecular wt. of compound = 160
Molecular weight should be whole number multiple of 160.
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