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Chemistry deconstruction: The Acid concentration in an everyday household…
Chemistry deconstruction: The Acid concentration in an everyday household product
What is an acid?
Types of acid
Hydrochloric acid
Fruit acids
Sulfuric acid
Nitric acid
Lactic acid
Acetic acid
Chemical substance, usually a liquid, which contains hydrogen and can react with other substances to form salts.
Has a pH under 7
Strong acids
Weak acids
What are household acids
Food
Diary foods, fruit, jams and jelly
Cleaning products
toilet bowl cleaners
Skincare products
Lactic acid serums, glycolic acid
How to calculate the concentration of acid in a substance
How to measure the concentration of acids
Equipments required
Volumetric pipette
Volumetric flask
What is concentration?
abundance of a constituent divided by the total volume of a mixture.
Formula for calculating concentration
M = n/V
How to figure out the concentration acid in household products
How to eliminate errors
Variables in measuring acid concentration
Dependent variable
Independent variable
What is a independent variable
A factor that would not change
e.g the chosen acid in a household product
Limitations
Equipments at school
What are the limitations of these equipments
Reliability?
Method: Titration
What is titration
Technique to determine the concentration of an unknown solution
Steps of titration