Chemistry, 17.03.2020 05:39, milkshakegrande101
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) 2.0
B) 10
C) 13.0
D) 100
E) 0.01
Answers: 1
![pH=-log[H^{+}]](/tpl/images/0550/3588/863f0.png)
![[H^{+}]](/tpl/images/0550/3588/85507.png)
represents concentration of 
in molarity
![[H^{+}]_{final}=10^{-6.5}M](/tpl/images/0550/3588/a32e1.png)
![[H^{+}]_{initial}=10^{-7.5}M](/tpl/images/0550/3588/62064.png)
![\frac{[H^{+}]_{final}}{[H^{+}]_{initial}}](/tpl/images/0550/3588/584ee.png)
= 
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