I need to make a 1M solution of copper (II) sulfate (CuSO4). What mass of copper (II) sulfate do I need to add to 1 L of water?

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

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.

40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume