final review

final review - Chem 1201 Bonus Exam Due Monday 22 at 8:00...

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————————————————————————————————————— Chem 1201 Bonus Exam Due Monday 22 at 8:00 pm h 6.63 10 34 Js c 2.9979 10 8 m/s R H 2.18 10 18 J N A 6.022 10 23 things/mole Mass neutron, m n 1.675 10 24 g Mass electron, m e 9.109 10 28 g Mass proton, m p 1.673 10 24 g ————————————————————————————————————— 1 How many chloride ions and nitrate ions remain in the final solution after a solution of 151.0 mL of 3. 35 M silver nitrate is mixed with 945.0 mL of 3.0 M sodium chloride? Hint: A precipitation reaction occurs and one of the reactants is a limiting reagent. ( A ) 1. 5850 10 24 chloride ions, 0 nitrate ions ( B ) 0 chloride ions, 1. 4026 10 24 nitrate ions ( C ) 1. 4026 10 24 chloride ions, 3. 0462 10 23 nitrate ions ( D ) 1. 6411 10 27 chloride ions, 1. 7072 10 27 nitrate ions ( E ) 2329. 2 chloride ions, 0.50585 nitrate ions 2 Find the empirical formula for the ion Mn x O y using this experimental information. The reaction below takes place in a 410.0 mL volume of solution. A 0.197 M solution of Mn x O y reacts with excess Br and H to form a 0.197 M solution of Mn 2 and5.8219g of water. Mn x O y aq Br aq H aq Mn 2 aq Br 2 g H 2 O ( A )MnO 2 ( B 4 ( C )Mn 2 O 3 ( D 3 O 2 ( E 2 O 3 Which of the following solutions will NOT form a precipitate when mixed with Ag ? ( A ) NH 4 2 CO 3 ( B )NaOH ( C )K 2 S ( D )NaI
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( E )Mg(NO 3 2 4 How many grams of iron (III) sulfate are contained in 25 mL solution if the sulfate ion concentration is 0.6475 M. Please note that the given concentration is for the sulfate ion. ( A ) 0.6475 g ( B ) 6. 4735 g ( C ) 19. 421 g ( D ) 2. 1578 g ( E ) 9. 7125 g 5 Which of the following would be expected to have the highest ionization energy? ( A )Ne ( B )O ( C )F ( D )C ( E )Li 6 A 10.0 mL sample of an unknown concentration of H 2 O 2 requires 15.0 mL of 0.3844 M MnO 4 to reach the equivalence point in a titration using the chemical reaction below.
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This note was uploaded on 12/09/2009 for the course CHEM 1202 taught by Professor Staff during the Fall '08 term at LSU.

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final review - Chem 1201 Bonus Exam Due Monday 22 at 8:00...

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