In chemistry, the mole is used to measure objects by

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

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

Identify the lewis base in this balanced equation: fe3+ h2o fe(h2o)63+