Transcription of Problem Set #12, Chem 340, Fall 2013
{{id}} {{{paragraph}}}
Example: quiz answers
Problem Set #12, Chem 340, Fall 2013
Problem Set #12, Chem 340, Fall 2013 Due Wednesday, Dec 4, 2013 Please show all work for credit To hand in: Ionic equilibria: 1. Calculate the value of m in 10 4 molal solutions of (a) KCl, (b) Ca(NO3) 2, and (c) ZnSO4. Assume complete dissociation. a) KCl 141== 10 mol kgvvvmv vmmm b) Ca(NO3)2 111414133== 10 mol 10 mol kgvvvmv vmmm c) ZnSO4 11412== 10 mol kgvvvmv vmmm 2. Calculate , and a for a m solution of K4Fe(CN) 6 at 298 K. 22221211111411512214 mol mol mol mol mol kg0vvvmIv zv zm zm zIIzzmv vmmam .099 3. Chloroacetic acid has a dissociation constant of Ka = 10 3.
Using the half cell reactions: Oxidation: 2 NH 2 ENAD0 V 2 H 4 e 0 Reduction: O2 4H 4 e E 25 H V 2O 0 E cell = E red + E ox = 1.135 V -1 û* $ n n F û3 4 96485 C l 15 V 438.0 kJ l 6. Determine K sp for AgBr at 298.15 K using the electrochemical cell described by
Tags:
Information
Domain:
Source:
Link to this page:
Please notify us if you found a problem with this document: