Chemistry paper-science
These are assignments for Chemistry class. It only has 2 questions:
Question 1:
On the pre-lab sheets that follows, create a flow chart (example of flow chart I attached to the pdf file) that shows techniques for
separation of each mixture:
a) sand, water, ethanol
b) silicon dioxide, ammonium chloride, sodium chloride
c) silicon dioxide, cottonseed oil, water, sodium chloride, FDC Red dye #3
Question 2:
For each of the above mixtures (a, b, and c), describe how you would determine
the percent composition.
