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For the reaction R to P, the concentrati...

For the reaction `R to P`, the concentration of a reactant changes from 0.03 M to 0.02 M in 25 minutes. Calculate the average rate of reaction using units of time both in minutes and seconds.

Text Solution

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Average rate `=-(Delta[R])/(Deltat)=-([R]_(2)-[R_(1)])/(t_(2)-t_(1))`
`= -(0.02M-0.030M)/(25"minutes")= -(0.01M)/("25 minutes")=4xx10^(-4)" mol litre"^(-1)" minutes"^(-1)`
`=(-0.1M)/(25xx60s)=6.66xx10^(-6)" mol litre"^(-1)" second"^(-1)`.
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