Quiz3 key - CHEM 122 QUIZ #3 Practice Key 1. Which is the...

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CHEM 122 QUIZ #3 Practice Key 1. Which is the formula for the hydronium ion? a. OH - b. H 2 O C . H 3 O + d. H 3 O - e. H 2 O + Chang - 016 Acids. .. #2 Difficulty: Easy 2. In the reaction H 2 CO 3 + H 2 O HCO 3 - + H 3 O + , the Brønsted acids are a. H 2 CO 3 and H 2 O. b. HCO 3 - and H 2 CO 3 . c. H 2 O and H 3 O + . D . H 3 O + and H 2 CO 3 . e. H 2 O and HCO 3 - . Chang - 016 Acids. .. #3 Difficulty: Easy 3. Identify the conjugate base of HPO 4 2- in the reaction HCO 3 - + HPO 4 2- H 2 CO 3 + PO 4 3- a. H 2 O b. HCO 3 - c. H 2 CO 3 D . PO 4 3- e. none of these Chang - 016 Acids. .. #5 Difficulty: Medium
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4. Identify the conjugate base of HCO 3 - in the reaction CO 3 2- + HSO 4 - HCO 3 - + SO 4 2- a. HSO 4 - B . CO 3 2- c. OH - d. H 3 O + e. SO 4 2- Chang - 016 Acids. .. #7 Difficulty: Medium 5. Identify the conjugate acid of SO 4 2- in the reaction CO 3 2- + HSO 4 - HCO 3 - + SO 4 2- a. CO 3 2- B . HSO 4 - c. OH - d. H 3 O + e. SO 4 2- Chang - 016 Acids. .. #10 Difficulty: Medium 6. Which one of these statements about strong acids is true ? a. All strong acids have H atoms bonded to electronegative oxygen atoms. B . Strong acids are 100% ionized in water. c. The conjugate base of a strong acid is itself a strong base. d. Strong acids are very concentrated acids. e. Strong acids produce solutions with a higher pH than weak acids. Chang - 016 Acids. .. #13 Difficulty: Medium 7. What is the concentration of H + in a 2.5 M HCl solution? a. 0 b. 1.3 M C . 2.5 M d. 5.0 M e. 10 .M Chang - 016 Acids. .. #16 Difficulty: Easy
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8. The OH - concentration in a 1.0 × 10 -3 M Ba(OH) 2 solution is a. 0.50 × 10 -3 M. b. 1.0
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Quiz3 key - CHEM 122 QUIZ #3 Practice Key 1. Which is the...

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