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Feature: Acid Tests (17/20)

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PHENOL RED: ACID-BASE INDICATOR.In Solutions of HCl(aq), NaOH(aq) & NaCl(aq)<br /> Left to Right: Phenol red is YELLOW in an acid solution of 0.10M hydrochloric acid, ORANGE in a neutral solution of 0.10M sodium chloride and RED in a basic solution of 0.10M sodium hydroxide. The effective range of phenol red is about pH 6.8 to 8.4.

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PHENOL RED: ACID-BASE INDICATOR.In Solutions of HCl(aq), NaOH(aq) & NaCl(aq)
Left to Right: Phenol red is YELLOW in an acid solution of 0.10M hydrochloric acid, ORANGE in a neutral solution of 0.10M sodium chloride and RED in a basic solution of 0.10M sodium hydroxide. The effective range of phenol red is about pH 6.8 to 8.4.

Copyright:© 1998 Richard Megna - Fundamental Photographs

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