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1.0 L of an aqueous solution in which [H...

1.0 L of an aqueous solution in which `[H_2CO_3]=[HCO_3^-]=0.10 M`, has `[H^-]=4.2xx10^(-7)`.Which is the `[H^+]` after 0.005 mole of NaOH has been added ?

A

`2.1xx10^(-9) M`

B

`2.2xx10^(-8) M`

C

`3.8xx10^(-7) M`

D

`4.6xx10^(-7) M`

Text Solution

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The correct Answer is:
c
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