Calculating the pH of buffer solutions
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Question 1 of 20
1. Question
What is the definition of a buffer solution?
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Question 2 of 20
2. Question
What is the aim of a buffer?
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Question 3 of 20
3. Question
What part of a buffer solution controls the pH?
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Question 4 of 20
4. Question
Which of the following is a method used to create an acidic buffer solution?
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Question 5 of 20
5. Question
Which of the following is a method used to create an acidic buffer solution?
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Question 6 of 20
6. Question
What happens to the pH of a buffer solution when a small amount of acid is added?
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Question 7 of 20
7. Question
What happens to the pH of a buffer solution when a small amount of alkali is added?
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Question 8 of 20
8. Question
When calculating the pH of an acidic buffer, which of the following assumptions must be made?
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Question 9 of 20
9. Question
When calculating the pH of an acidic buffer, which of the following assumptions must be made?
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Question 10 of 20
10. Question
What happens to the concentration of H^+ ions when small amounts of acid is added to a buffer solution?
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Question 11 of 20
11. Question
When a small amount of acid is added to a buffer solution there is an excess of H^+ ions, what happens to the excess H^+ ions?
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Question 12 of 20
12. Question
How does the equilibrium change when a small amount of acid is added to a buffer solution?
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Question 13 of 20
13. Question
When a small amount of acid is added to a buffer solution there is an excess of hydrogen ions, how does the buffer solution respond to this?
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Question 14 of 20
14. Question
What happens to the concentration of OH^- ions when small amounts of alkali is added to a buffer solution?
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Question 15 of 20
15. Question
When a small amount of alkali is added to a buffer solution the concentration of hydroxide ions increases, what happens to the hydroxide ions?
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Question 16 of 20
16. Question
When a small amount of alkali is added to a buffer solution what compound is formed?
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Question 17 of 20
17. Question
How does the equilibrium change when a small amount of alkali is added to a buffer solution?
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Question 18 of 20
18. Question
What process, carried out by the human body, allows the buffer system to control the pH levels in the blood?
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Question 19 of 20
19. Question
Give one example where a buffer solution is used.
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Question 20 of 20
20. Question
In order to control the pH of blood, what buffer system should be used?
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