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PH = -log [H+] 3. Between 2009 and 2019, the annual average ph of precipitation in a northern Ontario town dropped from 5.6 to 4.3.

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PH = -log [H+] 3. Between 2009 and 2019, the annual average ph of precipitation in a northern Ontario town dropped from 5.6 to 4.3. How many times more acidic was the precipitation in 2019 than the precipitation in 2009? Hint: Some useful equations are provided. [3A] B2 - B1 = 10 log M = 108 10

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