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Given that a solution of Kool-Aid has a concentration of Hydrogen ions equal to 1 x 10-9 mol/L, what would its pH be?
(a), (b) and (c)
1 x 10-12 mol/L
-9
Acidic
0.0 – 6.0
Logarithmic
All of the above are correct answers
4.0
For bacteria to live in hot springs (such as at Yellowstone National Park), they must be adapted to what type of environment?
(a), (b) and (c)
1 x 10-12 mol/L
-9
Acidic
0.0 – 6.0
Logarithmic
All of the above are correct answers
4.0
Which of the following best describes the pH scale?
(a), (b) and (c)
1 x 10-12 mol/L
-9
Acidic
0.0 – 6.0
Logarithmic
All of the above are correct answers
4.0
What range of pH values would you expect in an acidic solution?
(a), (b) and (c)
1 x 10-12 mol/L
-9
Acidic
0.0 – 6.0
Logarithmic
All of the above are correct answers
4.0
Using scientific notation, how would you express a pH of 12.0 in terms of the concentration of Hydrogen ions in the solution?
(a), (b) and (c)
1 x 10-12 mol/L
-9
Acidic
0.0 – 6.0
Logarithmic
All of the above are correct answers
4.0
If the following pH readings were taken from various spots along the Brazos River, what is the average pH of the river? Readings: 3.2, 3.8, 5.4, 4.0 and 3.6
(a), (b) and (c)
1 x 10-12 mol/L
-9
Acidic
0.0 – 6.0
Logarithmic
All of the above are correct answers
4.0
How will organisms be affected if the pH of their environment changes and is now outside of their acceptable levels?
(a), (b) and (c)
1 x 10-12 mol/L
-9
Acidic
0.0 – 6.0
Logarithmic
All of the above are correct answers
4.0
Which of the following can affect the pH of a body of water?
(a), (b) and (c)
1 x 10-12 mol/L
-9
Acidic
0.0 – 6.0
Logarithmic
All of the above are correct answers
4.0
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