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pH Scale Basics Remote Lab

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pH Scale Basics Remote Lab (This lesson is designed for a student working remotely .) This lab uses the pH Scale Basics simulation from PhET Interactive Simulations at University of Colorado Boulde r,... under the CC-BY 4.0 license. https://phet.colorado.edu/sims/html/ph-scale-basics/latest/ph-scale-basics_en.html Learning Goals: Students will be able to: ● Determine if a solution is acidic or basic using pH. ● Relate liquid color to pH. ● Predict if dilution and volume will increase, decrease or not change the pH ● Organize a list of liquids in terms of acid or base strength in relative order with supporting evidence. Everyday Chemistry in your life: 1. List some common liquids that you think are acidic or basic. For example, do you think orange juice is acid or base? Why do you think each liquid is an acid or base? a. orange juice is (Acid or base) and I think it is a common household item b. Water - is (Acid or base) and I think it is a acid/base because it is in the middle of the pH scale. c. Coffee is (Acid or base) and I think it is a common household item d. . Vomit is (Acid or base) and I think it has chemicals in it from all the food you eat. e. . Soap is (Acid or base) and I think has some chemicals but not enough to be an acid 2. Do you think the amount of the liquid changes how acidic or basic it is? Explain your thinking. No, because no matter the amount it still consists of the same ingredients whether it is a greater amount of liquid. 3. What do you think adding water (dilution) changes how acidic or basic the liquid is? Explain your thinking. I think that adding water to a acid or bases doesn’t make a difference because water has a pH of 7 which is neutral [Show More]

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