Tuesday, June 25, 2013

Extra Notes on Water Testing Lab

Quiz #7

~We conducted a confirming test and a qualitative test.

~What did we look at in the confirming test: change in solution color or for the appearance of a precipitate

~ Precipitate: Insoluble material 

~ Qualitative Test: absence or presence

~ Quantitative Test: amount

~Anions and cations are found in groundwater and tap water

~ Blank: no ion to see if the others have ions

~ Reference Solution: comparison; solution of known composition

~Compare with blank to see if substances have ions.

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