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pH (pH scales, Water, Scale of 7, Higher than 7, Lower than 7, pH=power of…
pH
pH scales
1= Gastric acid
2= Lemon juice
3: Orange juice
4= Tomato juice
5= Black coffe
6= Urine
7= Distilled water
8= Sea water
9= Baking soda
10= Milk of magnesia
11= Ammonia solution
12= Soapy water
13= Bleach
Water
3 atoms of hidroxide and 1 of oxigen
1 in 10,000,000
1 oxigen atom
2 hidroxide atoms
Scale of 7
Neutral
Higher than 7
Bases
Lower than 7
Acids
pH=power of hydrogen
pH= -log [H+]
pH= -log [1 in 10,000,000]
pH= - log [1 x 10 ^-7]
pH= 7 (neutral)