Calculate the number of moles in a 478.86 g sample of Cu(SO4).
Your answer

If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a

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.

The identities of substances are the same before and after which type of change