Can you create the needed environment on earth to stop an atom completely

At room temperature what happens to the average kinetic energy of the molecules of a solid, liquid, and a gas

Nonmetal halogen family atmoic mass 35

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?