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Unformatted text preview: Version 005/AAABB – Quiz 3 Chemical Formula and Naming – lyon – (51215) 1 This print-out should have 8 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 E = enter; red = incorrect; blue = correct; brownish-yellow = already answered 001 10.0 points No matter how much extra oxygen is avail- able, 12 g of carbon always combines with 32 g of oxygen. This best illustrates the law of 1. Definite Proportions. correct 2. Multiple Proportions. 3. Conservation of Mass. 4. Conservation of Energy. Explanation: The Law of Definite Proportions says dif- ferent samples of any pure compound contain the same elements in the same proportions by mass. 002 10.0 points Which of the following matched pairs of name and formula has an error? Formula Name 1. CaCO 3 calcium carbonate 2. Fe(ClO 4 ) 3 iron(III) perchlorate 3. Cu 2 SO 4 copper(II) sulfate correct 4. MnO 2 manganese (IV) oxide...
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This note was uploaded on 10/25/2010 for the course CH 204 taught by Professor Leytner during the Fall '08 term at University of Texas.
- Fall '08