Making a gold solution is very difficult but it can be done. Gold as we know it, the yellow shinny stuff, can be dissolved in water when NaCN is also dissolved in the same water. How many liters of 0.005M gold solution can be prepared by using 0.01 moles of gold?

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.