Which of the following best defines one mole of a substance?

Your friend offers to show you an intrusive igneous rock. which of the following would you expect to see?

(apex) when a cup of water is dropped, as the cup falls, the water in the cup falls out true or false?

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