What is the molar mass of a substance?
the mass in grams of one mole of a substances
the number of particles in one gram of a substance
the number of moles in one grár of a substance
the mass in grarns of one particle of a substance

Nickel crystallizes in the face-centered cubic (fcc) lattice. the density of the metal is 8902 kg/m3. calculate the radius of a nickel atom.

What was the procedure by which case united states vs lopez went to court

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?