In trial 1 , you will use 0.50 g of aluminum, and in trial 2, you will use only 0.25 g. why will you vary the amount of aluminum?

Sample Response: Changing the mass of aluminum allows you to try to change whether aluminum or copper(II) chloride is the limiting reactant.

Explanation:

pure water does not conduct electricity very well. however, when certain substances are dissolved in water, the solution does conduct electricity. you can make a simple device that shows how well a solution conducts electricity. this device uses a flashlight bulb to indicate how well the solution conducts electricity. the better the solution conducts electricity, the brighter the bulb will glow.

explanation: