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A drop of solution (volume=0.05 ml) cont...

A drop of solution (volume=0.05 ml) contains 6 x `10^-7` mol of `H^+`. If the rate of disappearance of `H^+` is 6.0`xx 10^5` mol `L^-1 s^-1`, how long will it take for the `H^+` in the drop to disappear?

A

`8.0xx10^-8 s`

B

`2.0xx10^-8 s`

C

`6.0xx10^-6 s`

D

`2.0xx10^-2 s`

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The correct Answer is:
B
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