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ReciQues-03-Key.pdf_, filename=_ReciQues-03-Key.pdf_, filename=_ReciQues-03-Key.pdf_, filename=_Re

ReciQues-03-Key.pdf_, filename=_ReciQues-03-Key.pdf_, filename=_ReciQues-03-Key.pdf_, filename=_Re

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Chem 109 Recitation Problems – Chapter 3 1 1. Na 2 SO 4 contains 2. Which of the following could be an empirical formula? 3. Which of the following could be a molecular formula? 4. Which two of the following picture would best represent the Law of Multiple Proportions? a. (a) and (b) b. (c) and (d) c. (a) and (c) d. (b) and (d) e. (a) and (d) f. (b) and (c)
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Chem 109 Recitation Problems – Chapter 3 2 5. Balance the following reactions. NaN 3 (s) ! N 2 (g) + Na(s) 2NaN 3 (s) ! 3N 2 (g) + 2Na(s) Fe 2 O 3 (s) + C(s) ! Fe(s) + CO 2 (g) 2Fe 2 O 3 (s) + 3C(s) ! 4Fe(s) + 3CO 2 (g) 6. What is the molecular formula of a substance whose empirical formula is C 2 H 6 O if the
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