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What is the [H^+] in a solution in which...

What is the `[H^+]` in a solution in which `[HA]=4.0xx10^(-2)` and `[A^-]=2.0xx10^(-2)` ? `[K_a=3.0xx10^(-6)]`

A

`1.5xx10^(-6)`

B

`3.0xx10^(-6)`

C

`6.0xx10^(-6)`

D

`3.8xx10^(-3)`

Text Solution

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The correct Answer is:
c
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