Selenious acid (H2SeO3), a diprotic acid has Ka1=3.0×10−3 and Ka2=5 – InterviewSolution

1.	Selenious acid (H2SeO3), a diprotic acid has Ka1=3.0×10−3 and Ka2=5.0×10−8. What is the [OH−] of a 0.30 M solution of a selenious acid?
Answer» Selenious acid $(H_{2} S e O_{3}),$ a diprotic acid has $K_{a 1} = 3.0 \times 10^{- 3}$ and $K_{a 2} = 5.0 \times 10^{- 8} .$ What is the $[O H^{-}]$ of a $0.30 M$ solution of a selenious acid?

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