CHE 2B Study Guide - Final Guide: Titration, Equivalence Point, Acid Dissociation Constant

201 views3 pages
Verified Note
31 May 2019
School
Department
Course
Professor

Document Summary

Find the ka at the equivalence point of the titration of 25. 00 ml of 0. 150 m aqueous ammonia with 0. 100 m hcl (aq). The ph of the solution is 5. 24. find the ph and volume of the titrant added at the midpoint. 61 ofacid 37. 5 2 18. 75ml e9 25137. 5ml 62. 5ml d volume ofacid added ph pka logka log15. 6 1019. A 50. 0 ml solution containing an unknown concentration of a weak base was titrated with 0. 250. M hcl, yielding the curve shown below: on the graph, indicate the equivalence point, midpoint, and buffer region. Wbsa minuter egpoint g region: estimate the pkb of the weak base. volume31. 8ml. Pkb 14 9. 26 4. 74: estimate the initial concentration of the weak base. equivalencepoint motb moihc. I"tease3: calculate the solubility of cupric iodate in a 0. 050 m sodium iodate solution. nocommon inn 3. 3 103 expect our answer to be lower out103 is f cut cag.