Procedure 1. Get about 20 mL of 0.05 M Fe (this will be labeled and used as the "prototype") and 30 mL of 0.0002M KSCN in labeled 50 mL beakers. 2. Label 3 other beakers "Solution 1", "Solution 2", and “Solution 3" which will be produced from Dilution 1, 2, and 3. 3. Dilution 1 to make Solution 1. a. Rinse a 10 mL graduated cylinder with a few mL of 0.05M Fe* Solution, and discard the solution in the sink b. Rinse a 25 mL graduated cylinder with a few mL of water, and discard the solution in the sink c. Measure 10.00 mL of 0.05 M Fe solution in the 10mL graduated cylinder, then pour it into the 25 mL graduated cylinder. d. Add water to dilute to 25.0 mL e. Pour solution from 25 mL graduated cylinder into the beaker labeled Solution 1
Procedure 1. Get about 20 mL of 0.05 M Fe (this will be labeled and used as the "prototype") and 30 mL of 0.0002M KSCN in labeled 50 mL beakers. 2. Label 3 other beakers "Solution 1", "Solution 2", and “Solution 3" which will be produced from Dilution 1, 2, and 3. 3. Dilution 1 to make Solution 1. a. Rinse a 10 mL graduated cylinder with a few mL of 0.05M Fe* Solution, and discard the solution in the sink b. Rinse a 25 mL graduated cylinder with a few mL of water, and discard the solution in the sink c. Measure 10.00 mL of 0.05 M Fe solution in the 10mL graduated cylinder, then pour it into the 25 mL graduated cylinder. d. Add water to dilute to 25.0 mL e. Pour solution from 25 mL graduated cylinder into the beaker labeled Solution 1
Introductory Chemistry: An Active Learning Approach
6th Edition
ISBN:9781305079250
Author:Mark S. Cracolice, Ed Peters
Publisher:Mark S. Cracolice, Ed Peters
Chapter16: Solutions
Section: Chapter Questions
Problem 9E: What happens if you add a very small amount of solid salt (NaCl) to each beaker described below?...
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"Solution 1" is made from the addition of water to a portion of the 0.0500 M Fe3+ " prototype" solution. Water is added to "prototype" as stated in the "dilution one" lab step to create a more dilute Fe3+ solution called "Solution 1". If you follow the lab procedure in the dilution one lab step, what will be the resultant molarity of Fe3+ in "Solution 1"?
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