4a) Explain how NaHCO, can act as both an acid and a base in aqueous chemical reactions. Use balanced chemical reactions and the Bronsted Lowry definition in your discussion. 4b) Explain why chlorous acid (HCIO,) has a higher Ka value (lower pKa value) than hypochlorous acid (HCIO). You should include Lewis Dot Structures to support your discussion.

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A:

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Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.