250 milliliters of a concentrated iron (ii) ion solution are sitting on the lab bench in need of analysis to determine its exact concentration of fe2+ ions. as part of the analysis a 15 ml sample of this solution was diluted to a final volume of 100 ml. the iron (ii) ion concentration of the diluted solution was found to be 1.35 x 10-3 mg/ml fe2+. what was the total number of milligrams of iron (ii) that were contained in the original solution?
note that this question is not asking for how many mg/ml of iron (ii) where in the original solution, but the total mass of iron contained in the original solution. hint: you must first calculate the mg/ml of iron (ii) in the original solution.
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250 milliliters of a concentrated iron (ii) ion solution are sitting on the lab bench in need of ana...
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