Singing in the (acid) rain. Acid rain occurs when CO2(g) from the air becomes dissolve in falling rain drops, creating carbonic acid (H2CO3; Ka1 = 4.3 x 10", Ka2 = 5.6 x 1011). If rainwater is too acidic, it will react with limestone and seashells, which are principally made of calcium carbonate CaCO3. a. Calculate the concentrations of carbonic acid, bicarbonate ion (HCO3), and carbonate ion (CO32) that are in a raindrop that has a pH of 5.85, assuming that the sum of all three species in the raindrop is 1.0 x 10S M. b. The pond in my parents' backyard is approximately 190 L. The night before they filled the pond a huge rainstorm came through and filled the pond with acid rain that was determined to be 1.25 M carbonic acid. Freshwater fish need a pH of approximately 7.50 to survive. How many kilograms of sodium bicarbonate (NaHCO;) should my parents add to the pond to reach a habitable pH for the fish? C. Would the following acids be weaker than or stronger than carbonic acid? Hypochlorous acid (HOCI) Weaker than Stronger than Nitric acid (HNO3) Weaker than Stronger than Ethanol (CH3CH2OH) Weaker than Stronger than

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