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Posted by on Sunday, March 20, 2011 at 11:38am.

The natural pH of rainwater is 5.6. The acidity of rainwater is caused by the dissolution of (TRUE OR FALSE)

boric acid
sulfuric acid
carbonic acid
calcium carbonate
calcium oxide
nitric acid

  • Chemistry (Acids and Bases) - , Sunday, March 20, 2011 at 1:22pm

    The correct answer is "none of these"; however, that isn't one of the possibilities. The acidity of rainwater is caused by the dissolution of CO2 which PRODUCES carbonic acid. Another source of acidity in some locales is the dissolution of NOx(NO, NO2, N2O4, N2O3, N2O5) which produces HNO3 or a mixture of HNO3 and HNO2.

  • Chemistry (Acids and Bases) - , Sunday, March 20, 2011 at 3:33pm

    thank you very much

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