Calculate the equilibrium concentrations of boric acid, Ask an Expert

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Calculate the equilibrium concentrations of boric acid (H3BO3) and the borate anion (H2BO3-) in pH 8 seawater, given a total boron concentration (H3BO3 + H2BO3-) = 4.2 * 10-4 mol L -1 and pK = 8.6. Assume ideal conditions, that the activity coefficients are one.

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