1.

30 g Ba(MnO_(4))_(2) sample containing inertimpurity is completely reacting with 100 ml of "28 volume" strength of H_(2)O_(2) in acidic medium then what will be the percentage purity of Ba(MnO_(4))_(2) in the sample ? (Ba=137, Mn=55, O=16)

Answer»

`10%`
`40%`
`62.5%`
`80%`

ANSWER :C


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