1.

Calculate % of S in H_(2)SO_(4)

Answer»

Solution :`"Molar mass of "H_(2)SO_(4)=(1xx2)+(32xx1)+(16xx4)`
`=2+32+64`
= 98g
`"% of S in "H_(2)SO_(4)=("Mass of sulphur")/("Molar mass of "H_(2)SO_(4))=100`
`"% of S in "H_(2)SO_(4)=(32)/(98)XX100`
`=32.65%`


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