PracticeTest2-year-2006-with-key

PracticeTest2-year-2006-with-key - Chemistry 1035 Test 2...

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Chemistry 1035 Test 2 October 19, 2006 THIS IS FORM A Name __________________________ c = 3.00 x 10 8 m/s h = 6.63 x 10 -34 J s R = 1.097 x 10 7 m -1 Choose the single best answer to each question. 1. Which of the following aqueous solutions is not a strong electrolyte? 1. Ba(OH) 2 2. H 2 SO 4 3. NaCl 4. HNO 2 5. Sr(NO 3 ) 2 2. If 35.0 mL of sodium iodide solution reacts completely with excess lead (II) nitrate solution to produce 0.628 g of precipitate, what is the molarity of the sodium iodide solution? Pb(NO 3 ) 2 (aq) + 2 NaI(aq) 2 NaNO 3 (aq) + PbI 2 (s) 1. 0.0778 M 2. 0.112 M 3. 0.0447 M 4. 0.0389 M 3. How many moles of ions are produced when 0.27 mole of cobalt (II) chloride, CoCl 2 , is dissolved in water? 1. 0.81 mol 2. 0.54 mol 3. 0.27 mol 4. 0.18 mol 5. 0.090 mol 4. Given a solution containing both silver acetate, AgC 2 H 3 O 2 and iron (II) acetate, Fe(C 2 H 3 O 2 ) 2 , which of the solutions below can be added so that only one of the two above cations will precipitate? 1. KCl(aq) 2. KNO 3 (aq) 3. KOH(aq) 4. K 2 S(aq) 5. None of these
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5. What are the spectator ions in the reaction between lead (II) nitrate(aq) and sodium sulfate(aq)? 1.
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This note was uploaded on 09/19/2011 for the course ENGE 1114 taught by Professor Twknott during the Fall '06 term at Virginia Tech.

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PracticeTest2-year-2006-with-key - Chemistry 1035 Test 2...

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