Fall2011Exam_2B_Ans

Fall2011Exam_2B_Ans - Rockley, Fall 2011, Chem.1314 Exam...

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Rockley, Fall 2011, Chem.1314 Exam #2. Page 1 of 9. 1. A O B O C O D O E O Your Name: _____________________ 2. A O B O C O D O E O Your Name in BLOCK CAPITALS: 3. A O B O C O D O E O _____________________ 4. A O B O C O D O E O Lab Day: ____________________ 5. A O B O C O D O E O TA Name _____________________ 6. A O B O C O D O E O Lab Section #: ________ 7. A O B O C O D O E O Lab Time: ____________ 8. A O B O C O D O E O 9. A O B O C O D O E O Al=27.0 Br= 79.9 C =12.0 10. A O B O C O D O E O Cl=35.45 Cr = 52.0 F = 19.0 11. A O B O C O D O E O H = 1.01 Mn = 54.94 N = 14.0 12. A O B O C O D O E O Na = 23.0 P = 31.0 Pb = 207.2 13. A O B O C O D O E O S = 32.1 Sr = 87.6 14. A O B O C O D O E O 15. A O B O C O D O E O 16. A O B O C O D O E O 17. A O B O C O D O E O 18. A O B O C O D O E O 19. A O B O C O D O E O
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Rockley, Fall 2011, Chem.1314 Exam #2. Page 2 of 9. 20. A O B O C O D O E O
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Rockley, Fall 2011, Chem.1314 Exam #2. Page 3 of 9. 1. What is the mass in g. of 2.68 x 10 24 molecules of dinitrogen tetraoxide? A 347.3 B 409.7 C 481 D 392 E None of these answers is within 10 g of the correct answer 2. A sample of chromium (III) sulfite decahydrate contains 2.87 x 10 21 atoms of oxygen. What is the mass of this sample in grams? A
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This note was uploaded on 12/15/2011 for the course CHEM 1314 taught by Professor Gelder during the Fall '07 term at Oklahoma State.

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Fall2011Exam_2B_Ans - Rockley, Fall 2011, Chem.1314 Exam...

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