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Acid Concentration in Everyday Substances - Coggle Diagram
Acid Concentration in Everyday Substances
Food and Drink
Milk
Lactic acid
Difficult for indicators
Other drinks
Kombucha (USED)
Acetic acid (ethanoic acid)
Weak acid
use strong base
Weak acid - strong base equivalence point occurs above 7
phenophthalein
gluconic acid
Juices
Orange Juice
Citric Acid
Carrot juice
Apple Juice
Malic acid
Organic - Weak
Cleaning products
Soap
Toilet Cleaner
Glass cleaner
other solvents
Inorganic - Weak
Cosmetics
Pimple cream
Salicylic Acid
Lactic Acid
Azelaic Acid
Antiperspirant/deodorant
Face wash
Method and Materials
Standard solution
Base
Weak
trimethyl ammonia
ammonia
Strong
NaOH
KOH
Sodium Carbonate
Titration
Materials
Burette
Burette stand
20ml pipette
Conical Flask
200ml beaker
Pipette filler
White Tile
volumetric flask
When using weak acid use strong base, decreases length of equivalence point making it more accurate
Indicators
Methyl orange
orange/red
4.4 - 6.3 pH
phenophthalein
light pink
Indicates pH of roughly 8.2
Bromothymol blue
6-7 pH
yellow
Variables
Concentration of acid (dependant)
amount of base
Acids and Bases
Acid is a proton donor (in the form of H+ ion)
Base is a proton acceptor
form salts and water