An impure sample of copper sulfate weighing 5.52 grams was dissolved in water and allowed to react with excess zinc. CuSO4(aq) + Zn(s) = ZnSO4 (aq) + Cu(s) What is the percent CuSO4 in the sample if 1.49 grams of metallic copper was produced?
a. 42.1%
b. 48.3 %
c. 55.5 %
d. 67.6 %
e. 73.5 %