What is the mole fraction of NaCl in a mixture of 0.564 g NaCl,
1.52 g KCl, and 0.857 g LiCl?

What is the atomic mass of an atom that has 6 protons, 6 neutrons, and 6 electrons? a) 6 b) 8 c) + 1 d) 12 e) 18

Fossil fuels are organic compounds that are made from

Which three statements represent the benefits of performing experiments using computer simulations?