For the Calculations Section Calculation of the Equivalence Point 1) Using the volume and concentration of Ca(OH)2 recorded in your experiment, calculate the volume of 0.0750 M phosphoric acid required to exactly react with it. This is the equivalence point of your titration. e the percent error of the equivalence points.

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.