pH (Grade 12 NSC Matric Physical Sciences): Flashcards
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10 cards from this deck
pH stands for
pH stands for
Power of hydrogen
pH range indicating acidic solution
pH range indicating acidic solution
pH < 7
pH value of neutral solution (pure water)
pH value of neutral solution (pure water)
pH = 7
pH range indicating basic/alkaline solution
pH range indicating basic/alkaline solution
pH > 7
Formula to calculate pH from
Formula to calculate pH from
Change in acidity per pH unit on logarithmic scale
Change in acidity per pH unit on logarithmic scale
Tenfold (10×) change
Auto-protolysis definition
Auto-protolysis definition
Proton transfer between two identical molecules
value at 25°C
value at 25°C
pH when strong acid + strong base form salt
pH when strong acid + strong base form salt
Neutral, pH ≈ 7
Phenolphthalein pH range
Phenolphthalein pH range
8.3 - 10.0