How many moles are in 5.34 x 10^24 particles of copper?

How many miles of water are produced if 5.43 mol pbo2 are consumed

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.

How do dying stars contribute to the formation of planets