Happy calculating! đ§Ș
Your measured leftover was . Thatâs close! Small differences are due to handling, oxidation, or incomplete drying. Percent Yield of Copper (Another Common Question) Theoretical yield of Cu from 0.0372 mol CuClâ (1:1 mol ratio CuClâ to Cu): [ 0.0372 , \textmol Cu \times 63.55 , \textg/mol = 2.36 , \textg Cu ] leftover aluminum wire lab answer key
Donât worry. You probably didnât. That leftover wire is the entire point of the lab. Happy calculating
Hereâs the breakdown of what you actually observed, the expected results, and how to check your work. You reacted aluminum (Al) with copper(II) chloride (CuClâ): Small differences are due to handling, oxidation, or
[ 2Al + 3CuCl_2 \rightarrow 2AlCl_3 + 3Cu ]
If youâve just finished the classic single replacement reaction lab âusually with copper(II) chloride and aluminum wireâyouâve probably stared at your beaker and asked: Why is there still aluminum left? and Did I mess up my calculations?