This quiz is in TEST MODE and as such is not 100% functional.
All answers should use 3 significant figures, regardless of how many are given in the problem.
For very small or large numbers, use scientific notation written as follows: 1.23e+23.
QUESTION
Given the following reaction:
1 Fe3O4 + 4 H2 ---> 3 Fe + 4 H2O
How many grams of Fe3O4 are required to react with 2.39 grams of H2 ?