When 86.5 g of calcium chlorate decomposes into calcium chloride and oxygen, how many grams of oxygen are produced?

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?

Aconcentrated solution of ammonia is 14.8m and has a density of 0.899g/l. what is the concentration of ammonia in this solution in weight percent (%w/w)?

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.