1.

The volume strength of the H_(2)O_(2) solution is :

Answer»

`0.556`
`0.448`
`0.896`
`0.632`

SOLUTION :`{:(2H_(2)O_(2),to,2H_(2)O + O_(2)),(68 g,,22.4 " litre at N.T.P."):}`
` :. ` PERCENTAGE of `H_(2)O_(2) " soln " = 0.272 %`
` :. ` STRENGTH of `H_(2)O_(2) " soln " = 0.00272gml^(-1)`
` :.68g H_(2)O_(2) ` give oxygen at N.T.P. = `22400 ` ml
` :. 0.00272`g give oxygen at N.T.P.= `(22400)/68 xx 0.00272 = 0.896` ml .


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