2. Determination of Iron
Mass of unknown, g
0.80
Initial buret reading, mL
3.5
Final buret reading, mL
23.5
Volume of KMnO4 used, mL
5 pts
Moles of KMnO4 used
5 pts
Moles of iron in sample
5 pts
Mass of iron in the sample, g
5 pts
Percent of iron in the sample
5 pts
Calculations:
5 pts

Magnesium is the limiting reactant in this experiment. calculate the theoretical yield of mgo for each trial. trial 1: trial 2: data mass of empty crucible with lid trial 1: 26.688 trial 2: 26.681 mass of mg metal, crucible, and lid trial 1: 26.994 trial: 2 26.985 mass of mgo, crucible, and lid trial 1: 27.188 trial 2: 27.180