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Unformatted text preview: ge occurs, as you did before. Record your observations in Table B as "Well
www.webassig n.net/ebooks/wsug encheml1/lab_9/manual.html 4/5 4/15/13 Lab 9 - Eq uilibr ium and Le Châtelier ' s Pr inciple 2A". The result will be similar to that in Step 2, but note it anyway. Next, add 3 drops of 1.0 M AgNO3
dropwise, with mixing, to the same well. Record your observations in Table B as "Well 2B".
Place about 15 mL of the pink cobalt solution in a 30 mL beaker. Under the hood, add 12 M HCl until
the solution is purple in color. Put half of the solution in a second 30 mL beaker. Warm one of the beakers
on a hot plate, and cool the second beaker in an ice bath. Record any color changes that you observe in
After answering the questions below, rinse the contents of the well plate and the two beakers into your
waste beaker with a minimum amount of deionized water. Empty your waste beaker into the waste
container provided on the side shelf, rinsing with a minimum amount of deionized water. Clean and dry all
your equipment and re...
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- Spring '14