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C3HW6a_8 - View Attempt Vie Attempt 8 of 5 T it le C 3HW6a...

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12/18/11 View Attempt 1/3 learn.uh.edu/webct/urw/«/ViewStudentAttempt.dowebct?attempt=4834165« VieZ Attempt 8 of 5 Title: C3HW6a Started: October 18, 2011 1:28 PM Submitted: October 18, 2011 1:30 PM Time spent: 00:01:49 Total score: 0/10 = 0% Total score adjusted b\ 0.0 Ma[imum possible score: 10 Done 1. In the reaction of aluminum metal and o[\gen gas to make aluminum o[ide, hoZ man\ moles of aluminum Zill react Zith 0.80 grams O 2 ? Student Response Correct AnsZer A. 1.0 B. 19 C. 0.067 D. 0.033 E. 0.10 Score: 0/1 2. Magnesium reacts Zith iron(III) chloride to form magnesium chloride 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) chloride (162.2 g/mol) is alloZed to react. What mass of magnesium chloride (95.21 g/mol) can be formed? Student Response Correct AnsZer A. 434 g B. 137 g C. 143 g D. 214 g E. 308 g Score: 0/1 3. Metal h\drides react Zith Zater to form h\drogen gas and the metal h\dro[ide. For e[ample, SrH 2 ( V ) + 2H 2 O( l ) => Sr(OH) 2 ( V ) + 2H 2 ( g ) What is the ma[imum mass of h\drogen gas that can be prepared from 50.0 g SrH 2 and 48.0 g H 2 O?
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