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Solutions and Acids and Bases

Solutions and Acids and Bases - Unit 11 Solutions and Unit...

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Unit 11: Solutions and Unit 13: Acids and Bases 50 point quiz (MC = 2 points each, SA = 10 points) 1. Which compound releases hydroxide ions? a. CH 3 COOH b. CH 3 OH c. HCl d. KOH 2. What are the products KOH + HCl? 3. Which indicator, when added to a solution, changes color from yellow to blue as the pH of the solution is changed from 5.5 to 8.0? a. Bromocresol green b. Bromothymol blue c. Litmus d. Methyl orange 4. Which volume of 0.10 M NaOH(aq) exactly neutralizes 15.0 mL of 0.20 M HNO 3 (aq)? 5. Based on the results of a titration experiment, shown below, and the reaction H 2 SO 4 + 2KOH K 2 SO 4 + 2H 2 O, what is the concentration of the H 2 SO 4 ? 6. Which two formulas represent Arrhenius acids? a. CH 3 COOH and CH 3 CH 2 OH b. HC 2 H 3 O 2 and H 3 PO 4 c. KHCO 3 and KHSO 4 d. NaSCN and Na 2 S 2 O 3 7. As the pH of a solution is changed from 3 to 6, the concentration of hydronium ions 8. Which equation represents a neutralization reaction? a. 4Fe(s) + 3O 2 (g) → 2Fe 2 O 3 (s) b. 2H 2 (g) + O 2 (g) → 2H 2 O(l) c. HNO 3 (aq) + KOH(aq) → KNO 3 (aq) + H 2 O(l) d. AgNO 3 (aq) + KCl(aq) → KNO 3 (aq) + AgCl(s)
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