You performed this reaction: 2Al + 3CuSO4 --> Al2(SO4)3 + 3Cu You used 1.87g Al.

What is the theoretical yield of Cu you will make?

The actual yield of the reaction was 5.55g Cu

What is the percent yield?

a
The theoretical yield will be 2.9g Cu, the percent yield is 191%
b
The theoretical yield will be 6.6g Cu, the percent yield is 83.96%
c
The theoretical yield is 2.9g SiC. The percent yield is 52.25%
d
The theoretical yield is 6.6g SiC. The percent yield is 119%