This preview shows page 1. Sign up to view the full content.
Unformatted text preview: le Reagents
~3 mL 0.010 M Fe(NO3)3
~1 mL 0.10 M Fe(NO3)3
~1 mL 0.05 M NaSCN
~0.1 mL 1.0 M AgNO3
~0.1 mL 1.0 M NaNO3
~15 mL 0.10 M Co(NO3)2 (plus some in a dropper bottle)
? mL 12 M HCl
Concentrated hydrochloric acid (12 M HCl) is very corrosive, and its vapor is a respiratory irritant. Work
with it under the fume hood and avoid inhaling the vapor. Liquid hydrochloric acid can attack the skin and cause
permanent damage to the eyes. If it splashes into your eyes, flush them in the eyewash; hold your eyes open or
have someone assist you. If you spill concentrate on skin or clothing, flush the area immediately with water. Have
your lab partner notify your instructor about the spill.
Silver solution will form dark spots on skin if spilled.
The spots will not appear for about 24 hours, as the ions are slowly reduced to the metal. They are not
hazardous, and will fade in a few days. Waste Disposal
All of the solutions prepared in this experiment should be discarded in the waste conta...
View Full Document
This document was uploaded on 01/22/2014.
- Spring '14