pH

By: Chris, Cris, and Ryan

Acid, Basic, and Neutral Solutions

Acid- Any aqueous solution that has a pH below 7.

Base- Any aqueous sloution that has a pH above 7.

Neutral- Any aqueous solution that has a pH of exactly 7.

Materials & Substances

Materials

-litmus strips

-pH card

-bowl

-spoon

Substances

-milk

-soda

-drinking water

-vinegar

-Listerine

-honey

-bleach

-butter

-cooking oil

-apple juice

-laundry detergent

-pool water(salt)


Procedures

1. Place ⅓ cup of substance in a bowl

2. Put litmus paper in substance for 3 seconds

3. Determine pH by comparing the color of litmus paper and the colors on the pH card

4. Take a picture


pH Scale

Big image

Data Table

Subtance................ Predicted pH................ Actual pH

Vinegar...........................2.....................................2

Lemon juice....................1.................................... 2

Dr. Pepper......................6.....................................4

Honey.............................6.....................................4

Cooking oil......................4.....................................5

Butter.............................6.....................................6

Listerine.........................8.......................................6

Pool water...................... 9................................... 7

Laundry Detergant........10...................................7

Tap water....................... 7................................... 7

Milk.................................6.....................................7

Glass cleaner.................10..................................11



pH Testing

Top right- Is my pool water(salt water). It has a pH of 7.

Bottom left- This is tap water. It has a pH of 7 also.

Bottom middle- This is glass cleaner. It has a pH of 11.

Bottom right- This is lemon juice. It has a pH of 2.

PH Testing

In the right is Honey . It has a Ph of 4.

In the bottom left- This is tap listerine(Scope). It has a pH of 6.

In the bottom middle- This is butter. It has a pH of 6.

In the bottom right- Is laundry detergent . It has a pH of 7.


Ph Testing

In the top right is soda (Dr. Pepper) has a Ph of 4

In the bottom left is cooking oil with a pH of 5

In the bottom middle is milk with a Ph of 7

In the bottom right is vinegar with a Ph of 2