pH (Activity)

Inquire!

  • What is the mechanism of action for antacids?
  • Do they all antacids have the same efficacy?

Explore: Determine the pH of common solutions

  1. Use the table below to indicate whether an item is acid or base and what you predict the pH to be.:

    Solution

    Acid or Base

    Predicted pH

    Actual pH

    Coffee

    Cola

    Distilled
    H2O

    Detergent

    Bleach

    Apple
    Juice

     Antacid Solution
  2. Using the pH meter or simulation at https://phet.colorado.edu/sims/html/ph-scale/latest/ph-scale_en.html, measure the pH and validate your predictions

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