1.

A certain compound contain 16% oxgyen and 4% sulphur by mass. Find minimum possible molecular weight of compound.

Answer»

`600 GM`
`480 gm`
`800 gm`
`100 gm`

Solution :for 16% OXGYEN
`(16)/(100) xx M = 16`[minimum 1 atom of oxgyen will be present]
`M = 100 gm`
For 4% sulphur
`(4)/(100) M = 32`
`M = 800 gm`


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