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Unformatted text preview: 12/18/11 View Attempt 1/4 learn.uh.edu/webct/urw//ViewStudentAttempt.dowebct?attempt=4834249 VieZ Attempt 12 of 5 Title: C3HW6a Started: Oc tober 18, 2011 1:33 PM Submitted: Oc tober 18, 2011 2:27 PM Time spent: 00:54:40 Total score: 9/10 = 90% Total sc ore adjusted b\ 0.0 Ma[imum possible sc ore: 10 Done 1. Aluminum Zill reac t Zith bromine to form aluminum bromide (Al 2 Br 6 (s)). HoZ man\ moles of Al are needed to form 2.43 mol of Al 2 Br 6 ? Student Response Correct AnsZer A. 7.29 mol B. 4.86 mol C. 2.43 mol D. 1.62 mol E. 1.22 mol Sc ore: 1/1 2. Magnesium reac ts Zith iron(III) c hloride to form magnesium c hloride and iron. 3Mg(s) + 2FeCl 3 (s) => 3MgCl 2 (s) + 2Fe(s) A mi[ture of 82.0 g of magnesium (24.31 g/mol) and 350 g of iron(III) c hloride (162.2 g/mol) is alloZed to reac t. What mass of magnesium c hloride (95.21 g/mol) c an be formed? Student Response Correct AnsZer A. 434 g B. 137 g C. 143 g D. 214 g E. 308 g Sc ore: 1/1 3....
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This note was uploaded on 12/18/2011 for the course CHEM 1372 taught by Professor Staff during the Spring '08 term at University of Houston.
- Spring '08