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What mass of H(2)SO(4) contains 32g oxyg...

What mass of `H_(2)SO_(4)` contains `32g` oxygen ? .

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`(w_(O))/(w_(H_(2)SO_(4)))="constant"rArr(64)/(98)=(32)/(w_(H_(2)SO_(4)))rArrw_(H_(2)SO_(4))=49gm`.
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