How many orbitals are completely filled

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?

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.