Strong and Weak acids

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Strong acid 
Acid molecule fully ionizes in aqueous solution, releasing hydrogen ions (H+)
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Weak acid 
Acid molecule only partially ionizes in aqueous solution, releasing some hydrogen ions (H+)
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Strong acids 
Have a lower pH than weak acids for a given concentration
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As the pH scale decreases by 1 unit, the concentration of hydrogen ions increases by 10 times (1 order of magnitude)
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As the pH scale decreases by 3 units, the concentration of hydrogen ions increases by 100 times (2 orders of magnitude)
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Dilute acid 
Has fewer acid molecules in a given volume than a concentrated acid, even if the strength is the same
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Concentrated acid 
Has more acid molecules in a given volume than a dilute acid, even if the strength is the same
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Strong and Weak acids

Cards (7)

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4.2 Reactions of acids

4.2.1 Reactions of acids with metals

4.2.1 Reactions of acids with metals

3.1 Acids and Alkalis

3.2 Reactions of Acids

4.2.2 Neutralization of acids and salt production

4.2.2 Neutralization of acids and salt production

2.3.1 Acids and bases

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12.3.1 Degree of Ionization

4. Chemical changes

8.2 pH and pOH of Strong Acids and Bases

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17.2.1 Carboxylic Acids

6.3.2 Amino acids

4.2.3 Soluble salts