Chemistry, 06.06.2020 22:59 melody12chocolatemil

You have a plume of hexavalent chromium as chromate (CrO4 2- ) that will be reduced to insoluble Cr3 . The molecular mass of chromate is 115.9 g/mol. The concentration is 238 ppm in water. How much zero valent iron (ZVI) will you need to add to completely transform the chromium. The ZVI will be converted to Fe2 . The molar mass of iron is 55.9 g/mol.

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