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A 25.0 mL sample of 0.30 M HCOOH is titrated with 0.20 M KOH. What is...

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Chemistry

A 25.0 mL sample of 0.30 M HCOOH is titrated with 0.20 M KOH.What is the pH of the solution after 25.0 mL of KOH has been addedto the acid? Ka = 1.8x10^-4

Answer & Explanation Solved by verified expert
4.3 Ratings (571 Votes)
HCOOH is a weak acid which undergoes partial dissociation as follows HCOOHaq Haq HCOOaq When KOH is added the OH from KOH react with HCOOH as follows HCOOHaq OHaq HCOOaqH2Ol No of moles of HCOOH    See Answer
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