Calculate pH a decrease of one unit on the pH scale means a solution is ten times more acidic. a decrease of two units means the solution is 100 times more acidic. how much more acidic is acid precipitation (pH = 4.0) than pure water (PH = 7.0)

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Boston Keller

Biology

4 December, 19:05

Calculate pH a decrease of one unit on the pH scale means a solution is ten times more acidic. a decrease of two units means the solution is 100 times more acidic. how much more acidic is acid precipitation (pH = 4.0) than pure water (PH = 7.0)

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Rachel · Answer 1

Each unit of decrease has an exponential increase. So if you are looking at an item that has a Ph of 4 and water has a Ph of 7 - -that means it is 10 to the 3rd power more acidic or 1000 times more acidic than water.