Chemistry Planning and Designing Lab
Essay by review • October 25, 2010 • Study Guide • 997 Words (4 Pages) • 8,169 Views
Lab#
Date:
Topic: The reactivity series
Problem: Which of the following metals are more reactive with acids - magnesium, zinc, aluminum, iron, lead, and copper?
Hypothesis: Aluminum is the most reactive with acids because it occurs in group III.
Aim: To perform a comparative test on which metal is the most reactive with acids.
Experiment: A comparative test is done using time to find which metal has the fastest reaction
Skill: P & D
Apparatus : Equipment: 1. 6 beakers
2. Water
3. Measuring cylinder
4. Watch or Clock
Materials: 1. Aluminum foil
2.Copper coin
3.Lead pellets
4.Zinc from a battery
5. Magnesium from Antacid
6. Iron Shavings
Reagents: 1. HCl
Procedure: 1 Rinse the containers with distilled water.
2. Pour 25cm3 of HCl in each beaker by use of measuring cylinder.
3.Insert each of the different sample metals into a beaker one at a time.
4.Observe and record the amount of time before the reaction stops with clock.
5. Make a table of your observations.
6. Setup a control using water as the reagent.
Variables: Independent: Aluminum foil, Copper coin, lead pellets, Zinc from a battery,
Magnesium from Antacid, and Iron Shavings.
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