What is the concentration of an aqueous solution that contains 1.5 moles of NaCl in 500 milliliters of this solution?

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils.the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate