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113_QUIZ1B

113_QUIZ1B - Molecules of water(OVER CHEMISTRY 113 – Fall...

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30 Points NAME________________________________LAB SECTION#___________________ 1. (9 pts) A student started with 0.593g of copper (F.W. = 63.5g/mole) and 2.15 mL of 6.50 M nitric acid. (F.W. = 63.0 g/mole) How many grams of copper nitrate (F.W = 187.5 g/mole) and how many molecules of water (F.W. = 18.0 g/mole) will be produced? If the student produced 0.955 g of copper nitrate what was the student percent theoretical yield? 3Cu + 8HNO 3 3Cu(NO 3 ) 2 + 2NO + 4H 2 O _____________________________ Grams of copper nitrate
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Unformatted text preview: ______________________________ Molecules of water ______________________________ (OVER) CHEMISTRY 113 – Fall 2004 LAB QUIZ #1B Percent theoretical yield 2. (16 pts) What reagent or reagent mixture could you add to separate the following into two different phases: Reagent/or Reagent Mixture Reason BaCO 3 and K 2 CO 3 Fe(OH) 3 and Al(OH) 3 Ba 2+ and Zn 2+ AgCl and AgI 3. (5 pts) Write the net ionic equation for the reaction of sodium hydroxide and sulfuric acid. (OVER)...
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113_QUIZ1B - Molecules of water(OVER CHEMISTRY 113 – Fall...

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