Chemistry: Important PH Values

Solution

pH

Solution

pH

Conic HCl

0

Saliva (before meal)

7.4

Oil HCl

1.0

Saliva (after meal)

5.8

Gastric Juice

1.4

Blood

7.4

Lemon Juice

2.5

Eggs

7.8

Vinegar

4.0

Toothpaste

8.0

Tomato Juice

4.1

Baking Soda Solution

8.5

Coffee

5.0

Washing Soda Solution

9.0

Soft Drink

6.0

Milk of Magnesia

10.5

Milk

6.5

Household Ammonia

11.6

Pure Water

7.0

Dilute Sodium Hydroxide

13.0

Concentrated Sodium Hydroxide

14