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USING A pH METER WITH BROMOTHYMOL BLUE INDICATOR<br />
(1 of 3 - Variations Available).<br />
<br />
Pure Water At 298K Has a Neutral pH of 7<br />
<br />
pH, used to express degree of acidity, is an index of hydrogen's chemical activity in a solution. At pH 7 the acid ( H3O+) and base (OH) concentrations are equal & the solution, water, is neutral, the indicator is green.

Fphoto-60900504A-6RM.jpg

USING A pH METER WITH BROMOTHYMOL BLUE INDICATOR
(1 of 3 - Variations Available).

Pure Water At 298K Has a Neutral pH of 7

pH, used to express degree of acidity, is an index of hydrogen's chemical activity in a solution. At pH 7 the acid ( H3O+) and base (OH) concentrations are equal & the solution, water, is neutral, the indicator is green.

Copyright:© 2005 Richard Megna - Fundamental Photographs

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Richard Megna