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18 Nov 2019
Chem 2 Part A: 16 multiple choice questions worth 3points for a total of 48 points 1) Which of the following is a conjugate acid/base pair? a. HhPoe/HPO,2- c, HCIOa/CIOs d. HNO /HNO2 e. NH4 /NH2 2) Which of the following is a WEAK base? a. NaOH b. HF c. CH3NH d. H2C204 e. Ba(OH)2 3) If the poH of solution at 25 2.00, which of the following is true? a. The solution is acidic with a DoHT of 1x M b. The solution is basic with a loH1of 1 x 10 12 M c. The solution is acidic with [H of 1 x 10 2 M d. The solution is basic with IH'l of 1 x 10 12 M e. None of the above is true 4) You add 1.0 x 10 M NaoH in enough water to make a 1.00 L solution. Which of the following best describes the pH of the solution? a. The pH is less than 4.0 b. The pH is equal to 4.0 c. The pH is between 4.0 and 10.0 d. The pH is equal to 10.0 e. The pH is greater than 10.0 5) Which of the following will have the highest concentration of [H a. 0.10 M H,PO. (Ka 7.5 x 10') b. 0.01 M Hapo. (Ka 7.5 x 10 3) c. 0.10 M c6HscooH (Ka 1.3 x 1050 d, 0.01 M HCIO (K, 3.5 x 10 e. 0.10 M Hzco, (K, 4.2 x 10 n)
Chem 2
Part A: 16 multiple choice questions worth 3points for a total of 48 points 1) Which of the following is a conjugate acid/base pair? a. HhPoe/HPO,2- c, HCIOa/CIOs d. HNO /HNO2 e. NH4 /NH2 2) Which of the following is a WEAK base? a. NaOH b. HF c. CH3NH d. H2C204 e. Ba(OH)2 3) If the poH of solution at 25 2.00, which of the following is true? a. The solution is acidic with a DoHT of 1x M b. The solution is basic with a loH1of 1 x 10 12 M c. The solution is acidic with [H of 1 x 10 2 M d. The solution is basic with IH'l of 1 x 10 12 M e. None of the above is true 4) You add 1.0 x 10 M NaoH in enough water to make a 1.00 L solution. Which of the following best describes the pH of the solution? a. The pH is less than 4.0 b. The pH is equal to 4.0 c. The pH is between 4.0 and 10.0 d. The pH is equal to 10.0 e. The pH is greater than 10.0 5) Which of the following will have the highest concentration of [H a. 0.10 M H,PO. (Ka 7.5 x 10') b. 0.01 M Hapo. (Ka 7.5 x 10 3) c. 0.10 M c6HscooH (Ka 1.3 x 1050 d, 0.01 M HCIO (K, 3.5 x 10 e. 0.10 M Hzco, (K, 4.2 x 10 n)
Beverley SmithLv2
29 Jun 2019