Horvath Practice Problems 72

Horvath Practice Problems 72 - they fully dissociate and...

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17 TITRATIONS PART I Last semester in lab and in lecture we gained some experience with titrations. We learned that titrations are important techniques for deter- mining the concentration of the analyte. We now revisit titrations armed with our knowledge of acid— base equilibria. Titration of a Strong Acid with a Strong Base The simplest case of a titration reaction, and one we could handle last semester, is that involving a strong acid and a strong base. Since both the analyte and the titrant are strong electrolytes
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Unformatted text preview: they fully dissociate and therefore fully react. Example: 25 mL of a 0.100 M HCl solution is titrated with 0.100 M NaOH. Calculate the titration curve for this process. This titration reaction is HCl + NaOH ­ NaCl + H 2 O ( 1 7 . 1 ) The total number of moles of HCl is . 025 L × . 100 mol HCl 1 L = 0 . 0025 mol HCl (17.2) This problem breaks into three parts, i) before the equivalence point, ii) the equivalence point and iii) after the equivalence point. TITRATIONS PART I 71...
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This document was uploaded on 11/01/2011 for the course CHM 2046 at University of Florida.

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