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Chemistry Planning and Designing Lab

Essay by   •  October 25, 2010  •  Study Guide  •  997 Words (4 Pages)  •  8,250 Views

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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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