D. 0.0025 g of vitamin a in milligrams

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 property of water causes water drops to bead on a freshly waxed car?

When utilizing a transmission electron microscope, why is it necessary to stain the specimen with heavy metal salts?