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pH COMPARISON OF BUFFERED & UNBUFFERED SOLUTION<br />
(3 of 3) pH After Adding 0.100M HCl<br />
Left: unbuffered solution (weak acid)=2.0, red color. Right: buffered solution =4.7, orange color. Buffer solutions resist change in hydrogen ion concentration.

Fphoto-31039203C-2RM.jpg

pH COMPARISON OF BUFFERED & UNBUFFERED SOLUTION
(3 of 3) pH After Adding 0.100M HCl
Left: unbuffered solution (weak acid)=2.0, red color. Right: buffered solution =4.7, orange color. Buffer solutions resist change in hydrogen ion concentration.

Copyright:© 1992 Richard Megna - Fundamental Photographs

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Richard Megna