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Between 2007 and 2017, 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 2017 than the precipitation in 2007?

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  • 4 weeks ago
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    The pH scale goes from zero to 14. This scale is logarithmic, so there is a 10-fold difference in strength between each number.

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    ∆pH = 5.6  - 4.3

    ∆pH = 1.3

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    How many times more acidic was the precipitation in 2017 than the precipitation in 2007?

    10^(1.3)

    19.9526231497

    ~ 20 times <––––––

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