A compound contain 3.4% by weight of sulphur, the minimum molecular wt of compound is:-
A compound contain 3.4% by weight of sulphur, the minimum molecular wt of compound is:-
A. 941.76
B. 944
C. 945.27
D. None
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Correct Answer - A
`% wt = ("Atomic "xx"Atomic wt" )/"(molecular wt)"xx100`
If minimum molecular wt is to be found then take atomicity = 1
`3.4 = (1xx32xx100)/"(min. molecular wt )"`
`rArr` Minimum molecular wt = 941.176
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