(a) The Potassium Permanganate solution is standardized by the prep room before it is used in this experiment? Why is it important that it is standardized prior to use? What would happen if it was not?
(b) Is an indicator required for titrations in which Potassium Permanganate is the titrant? Why or why not?
(c) What are possible sources of error in this experiment? How would each error affect the final result?

When would a bouncy ball have the most potential energy

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?

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.