The concentration of a dilute aspirin solution is 0.000529 m. standard solutions of this compound were used to prepare a beer\'s law plot which gives a slope of 1550.7 m-1. what is the expected absorbance value for the aspirin solution?

Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z

Aballoon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon? a balloon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon?

Calculate the number of molecules present in 0.750 mol of mgo.