How many formula units are in 9.3 g of
alumina (Al2O3)?

Asolid that forms and separates from a liquid mixture is called

Why are people not able to skip a dive to the deepest part of the ocean

6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.