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A waste water containing Fe(HCO3)2 is discharged . to a surface pond. Assuming complete oxidation of the Fe++ to Fe+++ and sufficient OH for the

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A waste water containing Fe(HCO3)2 is discharged . to a surface pond. Assuming complete oxidation of the Fe++ to Fe+++ and sufficient OH for the following reaction to occur, Fe3+ + 3OH-= Fe(OH)3, determine the concentration (mg/l as CaCO3) of the remaining dissolved in the pond water. Fe 3+

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