What is the amount of moles in 67 g of C

If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a

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?

Which type of intermolecular force is pbr3