4.1 What did you expect the pH of the solutions to be?
4.2 Which salts changed the pH of the the water, and how did they change it? Write out chemical formulas to explain the pH change.
Data Table 4: pH of Salt Solutions (adding different salts to tap water) Species PH Tap Water before adding anything 7.28 solution 1: Tap Water and 1 g KCI 7.21 solution 2: tap Water and 1g 8.38 NaCH;COO solution 3: Tap Water and NH_CI 6.50
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