Lab: Limiting Reactant and Percent Yield Answers

Did you read the Student Guide carefully?

If CuCl2 is the limiting reactant, of the aluminum will still be visible.

Use water to rinse the filter paper containing the mixture.

Place the filter paper in the funnel, then place the funnel in the Erlenmeyer flask.

Weigh and fold the filter paper.

If aluminum is the limiting reactant, of it will still be visible after the reaction completes.

Why might the amount of copper produced be less than 100% of the expected amount? Check all possible reasons.

The reason a filter system is used in thisexperiment is to separate and collect in the reaction.

Weigh and fold the filter paper.

One of the product chemicals is aluminum chloride, which is an eye and skin irritant that can cause chemical burns. What will prevent you from coming into contact with this hazard? Check all that apply.

If the copper(II) chloride solution splashes on your skin while you are preparing the solution, what actions should you take? Check all that apply.

How can you improve the percent yield of copper in this lab? Check all possible strategies that will help you do so.

Put the list in chronological order (1–5). Allow the solid/liquid mixture to drain through the filter.