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When a 21.4 mL sample of a 0.311 M aqueous hydrocyanic acid solution is titrated with a 0.398 M aqueous potassium hydroxide sA 45.3 mL sample of a 0.370 M aqueous acetic acid solution is titrated with a 0.424 M aqueous potassium hydroxide solution. W

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- Solution As per given in the question, Volume of 0.311 M HEN I 21.4m! concentration of KOH Solutim = 039874 at midpoint, hais си, соk + , о The neuhalisało reach си, Софи + Еой — mmoles 45:3x0.37 23.180.424 ratto -16.76 9.79 m moles 16.79-9.79 9.79

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