Chapter 4: Chemical and Solution Stoichiometry
Use mole theoretical mole ratio (fr. the balanced eq.) and compare it with the actual ratio (given) to find the limiting reactant. 19 2Al + 3 I2 -----> 2 AlI 3 Obviously, 489 g is less than 652, so Al is the limiting reagent (lower yield from Al), making I 2 the excess reagent 20
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