1.

For a first order reaction (A)to products the concentration of A changes from 0.1 M to 0.025 M in 40 minutes. The rate of reaction when the concentration of A is 0.01 M is

Answer»

`3.47xx10^(-4)`M/in
`3.47xx10^(-5)`M/min
`1.73xx10^(-4)`M/min
`1.73xx10^(-5)`M/min

Solution :`0.1M OVERSET(20)(to)0.050Moverset(20)(to)0.025M,r=K.[A]^(1)=0.693/20xx0.01=0.00346=3.46xx10^(-4)`M/min


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