claculate the mass in grams of LiOH that would be needed to produce 8,03 moles of Li2SO4 in the provided reaction. 2 LiOH + H2SO4 --> Li2SO4 + 2 H2O. Round to nearest gram

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.