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Distance Learning: Acids, Bases and the pH Scale

Ages 12+
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Examine the effects of acids and bases to determine the pH of several common household materials with this Distance Learning kit! Enough materials are included for 2 groups. Read More

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In this lab, students will gain an understanding of the basic differences between the properties of acids and bases, learn the role of hydrogen and hydroxide ions in acidic and basic substances, and comprehend the nature of the pH scale with regards to acid and base strength. Students will examine the effects of acids and bases on several pH indicators, determine the pH of several common household materials, and use the knowledge gained to determine the identity of four unknown solutions. Instruction Manual and enough materials for 2 groups are included. This kit falls in alignment with NGSS HS-PS1-3.

WARNING: This product can expose you to chemicals including Phenolphthalein, which is known to the State of California to cause cancer.  For more information go to




  • 5 mL Deionized water
  • 5 mL Dilute acid (0.1 M HCl)
  • 5 mL Dilute base (0.1 M NaOH)
  • 5 mL 0.5% Litmus
  • 5 mL 0.02% Methyl red
  • 5 mL 0.5% Bromothymol blue
  • 5 mL 1% Phenolphthalein
  • 5 mL Vinegar
  • 5 mL Household ammonia
  • 5 mL Soap solution
  • 5 mL Filtered water
  • 5 mL Vitamin C solution
  • 5 mL Unknown solution #1
  • 5 mL Unknown solution #2
  • 5 mL Unknown solution #3
  • 5 mL Unknown solution #4
  • 1 pack Wide-range pH strips
  • 2 Reaction trays


Shipping Restriction: This item only ships Economy or UPS to a street address in the 50 US states.
Warning: HAZARDOUS CHEMICAL - This kit contains hazardous chemicals. Not for children under the age of 15. For use under adult supervision. Read warning labels carefully.
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