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Stoichemistry CH301 Spring 2011 pg 2

# Stoichemistry CH301 Spring 2011 pg 2 - 1 3.11 mL 2 37.9 mL...

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tong (eyt88) – H02: Stoichiometry – mccord – (51600) 2 4. 9 mol 5. 12 mol 008 10.0points Find the molar mass for NaNO 3 . 1. 85.00 g/mol 2. 62.01 g/mol 3. 70.99 g/mol 4. 69.00 g/mol 5. 53.00 g/mol 009 10.0points What is the percentage of chromium in 5.24 grams of aluminum dichromate? 1. 49.56% 2. 79.39% 3. 75.53% 4. 42.80% 5. 44.45% 6. 83.45% 010 10.0points 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. 150.0 g 2. 35.0 g 3. 160.0 g 4. 175.0 g 5. 200.0 g 011 10.0points 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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Unformatted text preview: 1. 3.11 mL 2. 37.9 mL 3. 64,300 mL 4. 0.464 mL 5. 3110 mL 6. 7.83 mL 012 10.0 points Ethanol (C 2 H 6 O) is a common intoxicant and fuel produced from the fermentation of vari-ous grains. How many moles of ethanol are represented by 50.0 kg of ethanol? 1. None of these 2. 856 mol 3. 46.1 mol 4. 109 mol 5. 1085 mol 6. 1.09 mol 7. 9.0 mol 8. 1520 mol 013 10.0 points How many atoms of mercury are present in 8 . 3 cubic centimeters of liquid mercury? The density of mercury is 13.55 g/cc. Answer in units of atoms. 014 10.0 points Paclitaxel, which is extracted from the Paci±c yew tree Taxus brevifolia , has antitumor ac-...
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