exam 3 sp 10

exam 3 sp 10 - Test 35 Name _ Section _ TA _ Chemistry...

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Test 35 Name _________________________ Chemistry 116-A Section ____________ EXAM III Total Points = 130 TA ___________________________ Monday, 8:00 PM April 12, 2010 THIS EXAM IS FOR STUDENTS WITH MONDAY-WEDNESDAY 10:30 or 11:30 LECTURE. YOU SHOULD HAVE AN ORANGE COMPUTER ANSWER SHEET! Directions: 1. Each student is responsible for following directions. Read this page carefully. 2. Write your name and other requested information on this page and on the separate answer sheet. 3. CODE your name on the answer sheet using an ordinary (#2) pencil. 4. CODE your correct 10-digit identification number (PUID) on the answer sheet. THIS IS VERY IMPORTANT! 5. CODE your section number on the answer sheet. Please use all four digits, 0101, 0102, 0201, etc. This is also very important! 6. CODE the test number shown in the upper right-hand corner on the answer sheet in the block labeled “Test/Quiz Number”. This is Test 35. 7. Put all calculations on the examination pages. DO NOT PUT ANY EXTRA MARKS ON THE COMPUTER ANSWER SHEET! 8. This exam consists of 20 multiple-choice questions worth 6.5 points each. Choose the one best or correct answer for each question and write it both on your exam paper and on the computer answer sheet. The computer answer sheet is the only one that will be graded! 9. This exam consists of 7 pages plus a Table of Useful Information, a Periodic Table and a sheet of scratch paper. Please check to be sure that you have them all! KEEP YOUR ANSWERS AND WORK COVERED TO PROTECT THE INTEGRITY OF YOUR WORK!!
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116-A − Exam 3 (Test 35) − 04/12/09 2 _____ 1. The curve shows how the pH changes when 20 mL of 0.16 M H 2 SO 4 is titrated with a NaOH solution. If all hydronium ion reacts during this titration, what is the concentration of NaOH? H 2 SO 4 + 2NaOH Na 2 SO 4 + 2 H 2 O (a) 0.050 M (b) 0.064 M (c) 0.128 M (d) 0.256 M (e) 7.5 M _____ 2. The curve shows the titration of H 2 SO 3 with NaOH . The value of K a for the HSO 3 anion is approximately: H 2 SO 3 0.1M titrated with NaOH (a) 3.2 x 10 −2 (b) 1.0 x 10 −2 (c) 3.2 x 10 −5 (d) 6.3 x 10 −8 (e) 1.0 x 10 −10
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This note was uploaded on 02/27/2012 for the course CHEM 116 taught by Professor Stevenson during the Spring '08 term at Purdue.

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exam 3 sp 10 - Test 35 Name _ Section _ TA _ Chemistry...

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