The initial pH of a water sample is 7.5. A 200 ml sample is titrated with 0.01 N H₂SO₄. The pH 4.5 endpoint is reached after the addition of 15 ml of the acid. Determine the species of alkalinity present and the concentration (in mg/L as CaCO₃) of each.

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HCO3 the species of a... View the full answer