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Unformatted text preview: -; E = +0.5345 V. 3. A 3.6 g soil sample was treated with HClO 4 and HF was distilled from the mixture. The HF distillate was then diluted to a volume of 50.0 mL. Measurement with a fluoride ISE resulted in a potential of +95 mV. Exactly 5.00 mL of 1 x 10-3 M F-standard was added to the 50.0 mL solution and the potential on the fluoride ISE became +68 mV. Calculate the fluoride content in the soil as %F-. 4. The following cell was employed to determine pCrO 4 SCE||Ag 2 CrO 4 (satd), CrO 4 2-(aq)|Ag(s). Deteremine pCrO 4 if the cell potential is +0.476 V. The standard potential for Ag + + e-= Ag(s) is E = +0.799 V (use E SCE = +0.241 V for the anode voltage)....
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This note was uploaded on 08/06/2008 for the course CHEM 150 taught by Professor Buratto during the Summer '08 term at UCSB.
- Summer '08
- Analytical Chemistry