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Use the Figure Above to Answer the Following Question

Question 17

Multiple Choice

  Use the figure above to answer the following question. -A decrease of one unit in the pH scale above represents a tenfold increase in the hydrogen ion concentration of a solution. For example, a solution having a pH of 4 is 10 times more acidic than a solution with a pH of 5. If acid precipitation rain changes the pH of a pond from 7.5 to 6.5, the level of hydrogen ion has changed by a factor of ___________________ A)  10 B)  100 C)  13.0 D)  0.01 E)  2.0 Use the figure above to answer the following question.
-A decrease of one unit in the pH scale above represents a tenfold increase in the hydrogen ion concentration of a solution. For example, a solution having a pH of 4 is 10 times more acidic than a solution with a pH of 5. If acid precipitation rain changes the pH of a pond from 7.5 to 6.5, the level of hydrogen ion has changed by a factor of ___________________


A) 10
B) 100
C) 13.0
D) 0.01
E) 2.0

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