Electrolytes

Electrolytes - Solutions Electrolytes Nonelectrolytes...

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11/09/11 LecturePLUS Timberlake 2000 1 Solutions Electrolytes Nonelectrolytes
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11/09/11 LecturePLUS Timberlake 2000 2 Electrolytes Are substances that form positive(+) and negative (-) ions in water Conduct an electric current
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11/09/11 LecturePLUS Timberlake 2000 3 Electrolytes in the Body Carry messages send to and from the brain as electrical signals Maintain cellular function with the correct concentrations electrolytes
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11/09/11 LecturePLUS Timberlake 2000 4 Strong Electrolytes are 100% ionized salts H 2 O 100%ions NaCl(s) Na + (aq) + Cl - (aq) H 2 O CaBr 2 (s) Ca 2+ (aq) + 2Br - (aq) acids HCl(g) H 2 O H 3 O + (aq) + Cl - (aq)
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11/09/11 LecturePLUS Timberlake 2000 5 Weak electrolytes Most of the solute exists as molecules in solution Only a few solute particles produce ions HF + H 2 O H 3 O + (aq) + F - (aq) acid NH 3 + H 2 O NH 4 + (aq) + OH - (aq) base
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11/09/11 LecturePLUS Timberlake 2000 6 Nonelectrolytes Dissolve as molecules only No ions are produced in water Do not conduct an electric current H 2 O C 6 H 12 O 6 (s) → C 6 H 12 O 6 (aq) glucose
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Electrolytes - Solutions Electrolytes Nonelectrolytes...

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