5
AssignmentDropdown

Stoichiometric Calculations

Question 5 • LA-Chemistry A

Consider again the thermite reaction. If 0.0257 g Al react completely, what mass of Fe forms? Use the periodic table to find molar masses.Fe2O3 + 2Al Al2O3 + 2FeThe correct setup allows you to cancel terms to yield the mass of iron:What mass of Fe forms? Make sure to give your answer with the correct number of significant figures.A total of 0.0257 g Al forms g Fe.

Question illustration
Answer
A
0.1064
B
1.435
C
0.0532
D
0.213
Previous
Next