Water and oxygen gas are the products of a chemical reaction which are the most likely reactants for these products

Let the ed50 of a recreational drug be defined as the amount required for 50% of a test group to feel high or get a buzz. if the ed50 value of ethanol is 470 mg/kg body mass, what dose would a 70 kg party goer need to quickly consume in order to have a 50% chance of getting a buzz? 235 mg 470 mg 32,900 mg 35,000,000 mg

If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted

How many atoms or molecules are there in a mole of a substance?