3 The acid H2CO3 decomposes to some extent in water to produce CO2 gas. What should you expect to observe when the ingredients in an antacid react with HCI to produce H2CO3?

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A: Step 1: GivenH3PO4 ⇌ H2PO4- pk1 = 2.15H2PO4- ⇌ HPO42- pk2 = 6.82HPO42- ⇌ PO43- pk3 = 12.38pH = 7.2…

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