Which of the following solutions has the greatest

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38) Which of the following solutions has the greatest concentration of hydrogen ions [H + ]? A) gastric juice at pH 2 B) vinegar at pH 3 C) tomato juice at pH 4 D) black coffee at pH 5 E) household bleach at pH 12 Answer: A Topic: Concept 3.3 Skill: Knowledge/Comprehension 39) Which of the following solutions has the greatest concentration of hydroxyl ions [OH - ]? 40) If the pH of a solution is decreased from 9 to 8, it means that the 41) If the pH of a solution is increased from pH 5 to pH 7, it means that the
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13 42) One liter of a solution of pH 2 has how many more hydrogen ions (H + ) than 1 L of a solution of pH 6? A) 4 times more B) 400 times more C) 4,000 times more D) 10,000 times more E) 100,000 times more Answer: D Topic: Concept 3.3 Skill: Application/Analysis 43) One liter of a solution pH 9 has how many more hydroxyl ions (OH - ) than 1 L of a solution of pH 4? 44) Which of the following statements is true about buffer solutions?
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