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In a reaction 2A product, the concentrat...

In a reaction 2A product, the concentration of A decreases from 0.5 mol L-1 to 0.4 mol L-1 in 10 minutes. Calculate the rate during this interval.

A

5 M `min^(-1)`

B

`0.005 M min^(-1)`

C

`0.5 M "min"^(-1)`

D

`0.05 M "min"^(-1)`

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The correct Answer is:
B
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