Base your answers to questions 1 through 3 on the information below A student uses 200 grams of water at a temperature of 75°C to prepare a saturated solution of potassium chlorate. Identify the solute in this solution Define a solution 2. How many grams of KCIO, must be used to create this saturated solution? (Reference Table G) 3. This solution is cooled from 75°C to 25°C How many grams of KCIOs precipitated (settled) out?

15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.