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Ch_4-1_Electrolytes (1)

Ch_4-1_Electrolytes (1) - → Na(aq Cl(aq WHAT HAPPENS WHEN...

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Solutions Sugar molecule C 12 H 22 O 11 Acetic acid molecule CH 3 COOH CH 3 COO - H + Na + Cl - Nonelectrolyte Strong Electrolyte Weak Electrolyte Zumdahl p 91
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FE23 Electrolytes—Ionic Solutions 1. The acids HNO 3 , HClO 4 (perchloric acid), HCl , HBr , HI , and H 2 SO 4 are strong electrolytes. Most other acids are weak electrolytes . 2. The hydroxides (OH - ) of the Group 1 metals are strong electrolytes; Group 2 metals starting with Ca are moderate electrolytes . Most other bases including NH 3 are weak electrolytes . 3. Most Salts (E.g. NaCl) are strong electrolytes. 4. The halides and cyanides (CN - ) of “heavy metals” (E.g., Pb and Hg) are often weak electrolytes . 5. Most organic compounds are nonelectrolytes . Notable exceptions are organic acids and bases , which are usually weak electrolytes .
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WATER, THE COMMON SOLVENT Zumdahl p 88
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