How many grams are in 4.25x10^21 molecules of sodium oxide

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as

What does the mass of 0.7891 mol of ferric oxide (fe2o3)

Need ! asap will mark 10 pts using the room temperature line (orange line) and your periodic table, make lists that identify the state of matter (gas, liquid, or solid) in which each element you plotted exists at room temperature. explain your answers