Answer to Question #55228 in General Chemistry for Susan

Question

A student performs the following gravimetric analysis of iron ions in a water system:
Fe2+ (aq) + 2CO32- (aq) = FeCO3 (s)
If this student used excess carbonate and obtained the following data, what was the original concentration in moles/L) of Fe2+ in the water sample?
Total Volume of Solution: 100.00 mL
Mass of FeCO3 collected: 23.758 grams.