. In the following reaction: Fe2O3 + 3C → 2Fe + 3CO; how many grams of C are needed to react with 16.5 g Fe2O3?

1 answer

Fe2O3 + 3C → 2Fe + 3CO

mols Fe2O3 = grams/molar mass = ?
mols C needed = 3x that. Look at the coefficients.

g C = mols C x atomic mass C = ?