8. How many milligrams of iron are delivered from a 250. mg tablet of FeSO4.7H20

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

What four properties do all waves have in common

Four statements about the development of the atomic model are shown below. a: electrons have wavelike properties. b: atoms have small, negatively charged particles. c. the center of an atom is a small, dense nucleus. d: atoms are hard, indivisible spheres. which order of statements represents the historical development of the atomic model? c-d-a-b c-d-b-a d— в-а — с d-b-c-a