120308 - Limiting reactant z When 20.0 g C 2 H 6 and 60.0 g...

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Unformatted text preview: Limiting reactant z When 20.0 g C 2 H 6 and 60.0 g O 2 react to form CO 2 and H 2 O, how many grams of water are formed? Which is the limiting reactant? Percent yield z A 5.95 g sample of AgNO 3 is reacted with excess BaCl 2 according to the reaction that follows to give 4.00 g AgCl. What is the percent yield of AgCl? { 2 AgNO 3 (aq) + BaCl 2 (aq) 2 AgCl (s) + Ba(NO 3 ) 2 (aq) What volume of 18.0 M H 2 SO 4 must be used to prepare 15.5 L of 0.195 M H 2 SO 4 ? 1 6 8 m L 3 3 6 m L 9 2 . 3 m L 2 2 6 m L 91% 3% 2% 4% 1. 168 mL 2. 336 mL 3. 92.3 mL 4. 226 mL What precipitate forms when you mix barium chloride and silver nitrate? B a C l 2 B a ( N O 3 ) 2 A g C l A g N O 3 n o p r e c i p i t a t e f o r m s 2% 14% 22% 4% 59% 1. BaCl 2 2. Ba(NO 3 ) 2 3. AgCl 4. AgNO 3 5. no precipitate forms What are the oxidation states on carbon in the following molecules and ions: CO, CO 2 , CH 4 and CO 3 2- ?...
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This note was uploaded on 12/06/2009 for the course CHEM 105A taught by Professor Bau during the Fall '04 term at USC.

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120308 - Limiting reactant z When 20.0 g C 2 H 6 and 60.0 g...

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