quiz4 - Version 187 Quiz 4 VANDEN BOUT (53585) This...

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Version 187 – Quiz 4 – VANDEN BOUT – (53585) 1 This print-out should have 8 questions. Multiple-choice questions may continue on the next column or page – fnd all choices beFore answering. 001 10.0 points Solid Mg(OH) 2 , which has a solubility prod- uct constant oF 1 . 5 × 10 - 11 , dissolves in water when NH 4 Cl is added to the solution because 1. MgCl 2 is a salt and completely ionized in water solution. 2. OH - ion is converted to NH 4 OH by reac- tion with NH + 4 . correct 3. OH - ion reacts with Cl - ion to Form the weak acid HClO. 4. Mg +2 Forms a very stable complex ion with ammonia. 5. one oF the ions From Mg(OH) 2 is oxidized to Form a di±erent species. Explanation: 002 10.0 points AgCl would be least soluble in 1. 0.1 M NH 3 . 2. 0.1 M HCl. 3. pure water. 4. 0.1 M CaCl 2 . correct 5. 0.1 M HNO 3 . Explanation: 003 10.0 points Which oF the Following is a correct mass bal- ance expression For the addition oF H 2 CO 3 to water? 1.
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This homework help was uploaded on 04/16/2008 for the course CH 302 taught by Professor Holcombe during the Spring '07 term at University of Texas.

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quiz4 - Version 187 Quiz 4 VANDEN BOUT (53585) This...

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