How many milliliters of a 3.0 m hcl solution are required to make 250.0 milliliters of 1.2 m hcl

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

Light waves can move through , but they travel fastest when they move through a(n) .

How many atoms or molecules are there in a mole of a substance?