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8. Calculate the pH of an aqueous solution of 0.1 M ammonium formateKa(HCOOH)1.8.104HCOONHA assuming its complete dissociation.Ka(NH,OH 1.8.105 |
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Answer» salt of weak acid and weak base ph=1/2pkw + 1/2pka -1/2pkb =1/2×14 + 1/2×3.8 -1/2×4.8 =6.5 |
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