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Unformatted text preview: a) 0.964 b) 0.428 c) 41.8 d) 27.9 e) 62.7 2 4. (5 pts) When 884 g of Fe 2 O 3 was reduced with an excess of carbon, 507 g of Fe was obtained according to the following reaction. What was the yield of the reaction? Fe 2 O 3 + 3 C 2 Fe + 3 CO 82% 5.(3 pts) Which one of the following polyatomic ions has the same charge as the hydroxide ion? a) ammonium b) carbonate c) nitrate d) sulfate e) phosphate 6.(3 pts) Which metal does not require to have its charge specified in the names of ionic compounds it forms? a) Mn b) Fe c) Cu d) Ca e) Pb 3...
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- Fall '07