A student's correctly calculated value for the percent recovery of the purified unknown solid in a recrystallization experiment was 102%. Assume that the student performed all steps of the procedure correctly
a) comment of the validity of this result; include reasons
b) suggest possible explanation for such a result
2 answers
Either the student witnessed a miracle, or a measurement error occurred. I would suspect the latter.
Another possibility is that the measurements were ok but the product contained some of the impurity or some of the solvent.
1 answer