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Since 1977

Address P.O. Box 219 Batavia, IL 60510
Phone 800-452-1261
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firewatch

A saturated sodium carbonate solution is introduced to a test tube containing a mixture of 0.10 M hydrochloric acid solution and universal indicator. In a few seconds a rainbow of colors forms.

Concepts

  • Acids & Bases
  • pH
  • Density