One type of penicillin has the formula C14H20N2SO4. How many molecules of penicillin are in a pill containing 300 mg?

What are the percent by mass of copper in penny lab

How do you convert 4 mmol of bromobenzene to ml?

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