How much concentrated 18 M sulfuric acid is needed to prepare 250
mL of a 6.0 M solution?

Why does his teacher ask him to balance the equation by including the correct coefficient

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

What is the approximate vapor pressure when the gas condenses at 70 degrees celsius