Answer:36 grams of water is produced. Law of conservation of matter states that mater cannot be created or destroyed. 16 grams of methane added to 64 grams of oxygen equals 80 total grams of reactants. 80 grams minus 44 grams of carbon dioxide is 36. This means there must be 36 grams of water, and you end with the same mass of reactants as in the beginning. Hope this helps! Good luck!
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