Given the following equation: 2 K + Cl2 ---> 2 KCl How many moles of KCl are produced from 2.00 moles of K and excess Cl2?

Group of answer choices

2.0 mol

4.0 mol

8.0 mol

1.0 mol

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.