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1) Use the Henderson-Hasselbalch equation to calculate the pH of a buffer solution prepared by mixing...

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Chemistry

1) Use the Henderson-Hasselbalch equation to calculate the pH ofa buffer solution prepared by mixing equal volumes of 0.230 MNaHCO3 and 9.00×10−2 M Na2CO3. (use Ka values given onWiki)

2) A volume of 100 mL of a 0.440 M HNO3 solution istitrated with 0.440 M KOH. Calculate the volume of KOHrequired to reach the equivalence point.

Answer & Explanation Solved by verified expert
4.1 Ratings (521 Votes)
Solution Lets assume volume of each acid and its conjugate base 10 L We find moles by using volume and molarity Mol NaHCO3 mol HCO3 10 L 0230M 0230 mol Mol Na2CO3 CO3 2 10 L 90E2 M    See Answer
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