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CHEMMIp5 - 3 How many moles of nxygen are necessary to burn...

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Unformatted text preview: 3. How many moles of nxygen are necessary to burn 2.0 males of benzene. CfiHfi; tc carben diexide and water? {4ptj Answer: 2 Cali; + 15 02-h“? 12 DD! + 5 H20 15 moles of oxygen 9. In the reaction: 2;; + Se. —* c {apth 4.0 mnlss of A react with 4.0 melee of B. Which reactant is limiting? 61] Neither is limiting because equal amounts [-51.0 males} of each reactant are used. b) A is limiting because 2 is smaller than 3 [the ccefficiente in the balanced equation} _ Ci A is limiting because there are 2 moles but 4.0 males are needed. d) B is limiting because 3 is larger than 2 {the coefficients in the balanced equation}. e: E is limiting because there are 4.0 moles but 6.0 males are needed. Answer: e} B is limiting becaUse there are 4.0 males but 6.0 males are needed. ...
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