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If the pH of a 1.00-in. rainfall over 1300 miles2 is 3.90, how many kilograms of...

If the pH of a 1.00-in. rainfall over 1300 miles2 is 3.90, how many kilograms of sulfuric acid, H2SO4, are present, assuming that it is the only acid contributing to the pH? For sulfuric acid, Ka1 is very large and Ka2 is 0.012.

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