Which is a characteristic of mixtures?
a. they are chemically bonded together.

b. they can be classified as pure substances.

c. they have fixed ratios between their components.

d. they can be separated by physical processes.

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