Where do the oh- ions go as additional acid is added? 1. they evaporate. 2. they combine with excess h+ ions to form more water. 3. they remain in solution at the same concentration. 4. they remain in solution but change concentration.,

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.