1) If 0.2500 grams of potassium sulfate react with an excess of barium chloride, how many grams of barium sulfate will be produced?
2) What two things are done to maximize the size of the BaSO4 crystals?
3) In this experiment how are the two products separated after the reaction is completed? Describe where each product is located at the end of the separation.
4) A student reacts 0.3000 grams of a sulfate-containing unknown with excess barium chloride. If 0.6500 grams of barium sulfate is produced, what is the percentage sulfate in the unknown?