science need help
posted by jeff .
2 H2 + O2 = 2H2O
2 grams + 32 grams=_ _ _ _ _grams
how would the mass of water formed in the reaction compare to the mass of oxygen and hydrogeb that reacts.
in your response be sure to:
include they type of change illustrated in the balanced eqaution
explain the conservation of matter and determine the unknown amount of mass
explain the production of water.