Determination of iron volumetric early by using pottasium dichromate calculations
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Prepare a standard dichromate solution by dissolving an accurately weighed sample of about 0.4 g in water and make up to 100 cm3 in a volumetric flask. Into flasks or beakers weigh out accurately duplicate portions of about 0.7 g of the iron(II) solid `M' provided. Add 30 cm3 of dil. HCl
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