How many moles of h2o are in 42.0 g h2o? 2.33 mol h2o 5.25 mol h2o 6.00 mol h2o 7.56 mol h2o

What is the maximum amount of al2(so4)3 which could be formed from 15.84 g of al and 12.89 g of cuso4?

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 many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.