Mass/Mass Stoich Practice Problems
Use the balanced chemical equation below to answer the following questions:
4NH3 + 7O2 → 2N2O4 + 6H2O
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How many grams of oxygen (O2) are needed to make 15.0 grams of water (H2O)? *
How many grams of dinitrogen tetroxide (N2O4) can be produced by 4.5 grams of oxygen? *
How many grams of oxygen (O2) are needed to completely react with 7.0 grams of ammonia (NH3)? *
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