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pH COMPARISON OF BUFFERED & UNBUFFERED SOLUTION
(3 of 4).
Weakly Acidic Solution Has Same Initial pH
The weakly acidic solution is prepared by adding 0.10M hydrochloric acid (HCl) dropwise to tap water until the pH = 4.66, about the same as the buffered solution and the universal indicator is red.
Copyright:© 2005 Richard Megna - Fundamental Photographs
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