1.

The rate constant of the reaction : 2H_(2)O(aq)to2H_(2)O(l)+O_(2)(g) is 3xx10^(-3)min^(-1). At what concentration of H_(2)O_(2), the rate of the reaction will be 2xx10^(-4)M s^(-1) ?

Answer»

`6.67xx10^(-3)M`
`2M`
`4M`
`0.08M`

SOLUTION :Rate `=k[H_(2)O_(2)]`
`2xx10^(-4)=(3XX10^(-3))/(60)xx[H_(2)O_(2)]`
`[H_(2)O_(2)]=4M]`


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