pH calculations

by Stephanie and Ali

pH 1

Lemon Juice

pH 2

HCl

pH 3

Apple Cider Vinegar

pH 4

Orange Juice

pH 5

Pool Water

pH 6

Tap Water

pH 7

Human Siliva

pH 8

Egg Whites

pH 9

Glass Cleaner

pH 12

Hydrated Lime

Procedure

Substances:

1. Lemon Juice

2. HCl

3. Vinegar

4. Orange Juice

5. Pool Water

6. Tap Water

7. Human Saliva

8. Egg Whites

9. Glass Cleaner

10. Hydrated Lime


Procedure:

1. Put 2 tablespoons of liquid substance in a bowl

2. Dip pH strip in liquid

3. Compare dipped strip to the pH chart

4. Take picture of chart, strip and substance

5. Clean out the bowl you used with soap and water

6. Record pH levels on data table

7.. Repeat until all substances have been tested

**For making substances liquid you can, 1. Add 1 cup of water to it or 2. Juice it in the juicer



Materials:

1. pH Strips

2.Spoon

3. Bowls

4. Camera

5. Juicer

6. Spoon

7. Measuring Cup