A_B Practice Test2

A_B Practice Test2 - CHEM 1202 Sect 1 EXAM 2 Acid/Base...

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Fall 2002 EXAM 2 Acid/Base Equilibria Dr. Kolniak FORM 1 IMPORTANT: On the scantron sheet fill in your name ( LAST name first) and ID number in the box and bubble in the corresponding letter and number. Get my attention , if you are not sure about the content of the question. Select the very best answer (7 pts each). Constants: Kw = 1 x 10 -14 1. What is the pH of a 3.33 x 10 -4 M HCl solution? a. pH = 3.33 b. pH = 3.47 c. pH = 4.00 d. pH = 4.52 e. pH = 8.00 2. What is the acid concentration, H 3 O + , in cabbage, if it has a pH of 5.25? a. 0.72 M b. 2.50 x 10 -5 M c. 5.62 x 10 -6 M d. 1.00 x 10 -7 M e. 1.78 x 10 -9 M 3. Which one of the following statements is the correct definition of a Brønsted-Lowry Acid ? a. increases H + concentration b. donates a H + c. increases OH - concentration d. combines with or accepts H + e. an electron acceptor 4. What is the pH of a 5.75 x 10 -4 M NaOH solution? a.
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A_B Practice Test2 - CHEM 1202 Sect 1 EXAM 2 Acid/Base...

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