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Calculate the ratio of concentrations of \( \mathrm{HCOO}^{-} \& \mathrm{OCN}^{-} \)ions in a solution containing \( 0.1 \mathrm{M} \mathrm{HCOOH} \) \( \left(K_{a}=1.8 \times 10^{-4}\right) \) and \( 0.1 \mathrm{M} \mathrm{HOCN}\left(K_{a}=4 \times 10^{-4}\right) \). If simplest ratio is \( a: b \), report your answer as \( (a+b) \).
\( \mathrm{P} \)
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