Solve the Stoichiometry Problem

Learning Objectives

• Calculate a mass/mass stoichiometry problem using conversion factors required for the operation
• Use all units (including the names of substances involved) when solving stoichiometry problems
• Report your answer according to the rules of arithmetic with measured values

Directions

Solve the following problem showing all of your work and including all units. You can solve the problem in several steps or as a tandem conversion problem.

The problem to solve

How many grams of Br₂ are needed to completely convert 15.0 g Al to AlBr₃ ?

Al (s) + Br₂ (l) --> AlBr₃ (hint: the equation is not balanced)