Question

how h3o + ion is formed in water solution

Answer 1

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Iron in water is typically found in three major forms and is rarely found in concentrations greater than 10 milligrams per litre or parts per million (mg/l or ppm): 'Clear water iron' is a non-visible ferrous (Fe2+) form of dissolved iron is found in water that is not exposed to oxygen, such as in wells and springs.

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