2H2O +O2 → 2H2O2 What mass of oxygen gas is necessary to react completely with 45 g of water?

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.

it is b that is the answer.

answer seismograph;