To separate off different products in order of their boiling points. You do it by a process of heating and cooling in a horizontal condenser usually.
You need evidence to support a conclustion
Explanation:
c. h. o
66.7%. 11.1%. 22.2%
____. ____. ____
12. 1. 16
1.558. 11.1. 1.39. (divide by the smallest)
1. 8. 1
empirical formula=ch8o
amino group
carboxyl group
R-group
single Hydrogen arom
The answer to the question is- Fe2O3