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How many moles of NaOCI must be added to...

How many moles of NaOCI must be added to 150 mL of 0.025 MHOCI to obtain a buffer solution with a pH`=7.50? [K_(a)(HOCI)=2.8xx10^(-8)]`

A

`2xx610^(-5)`

B

`1.1xx10^(-3)`

C

`3.3xx10^(-3)`

D

`2.2xx10^(-2)`

Text Solution

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The correct Answer is:
c
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