For a first order reaction , `A to` Products, the concentrations 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:
A
`1.73 xx 10^(-5)` M/min
B
`3.47 xx 10^(-4)` M/min
C
`3.47 xx 10^(-5)` M/min
D
`1.73 xx 10^(-10)` M/min
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The correct Answer is:
B
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