The molar mass of iron oxide (Fe2O3) is 159
g/mol. What is the correct way to write the molar
mass of iron oxide as a conversion factor?
159.7 g Fe, O
159.7 mol Fe, og
1 g Fe, og
159.7 mol Fe, O
159.7 g Fe,
1 mol Fe20
1 g Fe,
1 mol Fe,