hw1 - sakerwalla (hs9229) – H01: Fundamentals – mccord...

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Unformatted text preview: sakerwalla (hs9229) – H01: Fundamentals – mccord – (50960) 1 This print-out should have 16 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points Which compound has the wrong chemical for- mula? 1. Mg(OH) 2 2. (NH 4 ) 2 SO 4 3. CaOH 4. Ba 3 (PO 4 ) 2 002 10.0 points Which one has the greatest number of atoms? 1. All have the same number of atoms 2. 3.05 moles of water 3. 3.05 moles of CH 4 4. 3.05 moles of helium 5. 3.05 moles of argon 003 10.0 points If 100.0 grams of copper (Cu) completely re- acts with 25.0 grams of oxygen, how much copper(II) oxide (CuO) will form from 140.0 grams of copper and excess oxygen? ( Note : CuO is the only product of this reaction.) 1. 175.0 g 2. 150.0 g 3. 200.0 g 4. 35.0 g 5. 160.0 g 004 10.0 points What is the volume of 1.56 kg of a compound whose molar mass is 81.86 g/mole and whose density is 41.2 g/mL?...
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This note was uploaded on 09/27/2011 for the course MATH 408K taught by Professor Millburn during the Spring '11 term at The University of Texas at San Antonio- San Antonio.

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hw1 - sakerwalla (hs9229) – H01: Fundamentals – mccord...

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