Quiz3 - Version 019/AABAD – Quiz 3 – Lyon – (53385) 1...

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Unformatted text preview: Version 019/AABAD – Quiz 3 – Lyon – (53385) 1 This print-out should have 4 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 1 2 3 4 5 6 7 AA AB AC AD BA BB BC 8 9 10 BACK NEXT BD CA CB CC CD 001 10.0 points Which of the following anions is almost always a spectator ion? 1. NO- 3 correct 2. O 2- 3. OH- 4. CO 2- 3 5. S- 2 Explanation: Spectator ions are ions that generally do not take part in the reaction. They are usually the ones that are the most soluble and would thus cancel-out while writing the net ionic equation. 002 10.0 points Which one of the following substances is in- soluble in water? 1. K 2 S 2. NaClO 3 3. Ca(NO) 3 4. Fe 2 (CO 3 ) 3 correct 5. NH 4 F Explanation: Salts that contain group I A metals, Li, Na, K, Rb and Cs are always soluble in di- lute solutions. Salts that contain nitrate ions or ammonium ions are also soluble in dilute solutions. Carbonates are usually insoluble....
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This note was uploaded on 10/21/2009 for the course CH 53395 taught by Professor Lyon during the Spring '09 term at University of Texas.

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Quiz3 - Version 019/AABAD – Quiz 3 – Lyon – (53385) 1...

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