Ferrous sulfate (FeSO4) was used in the manufacture of inks, most notably iron gall ink,
which was used from the middle ages until the end
of the eighteenth century. It can be obtained during
the reaction of aqueous ferric sulfate, Fe2(SO4)3,
with gaseous sulfur dioxide and water to form
aqueous sulfuric acid (H2SO4) and aqueous
ferrous sulfate.

Calculate - analysis of compound composed of iron and oxygen yields 174.86 of fe and 75.14g of o. what is the empirical formula for this compound?

In 2002, the rare earth elements mine in mountain pass, california was closed because

Consider the reaction of a(g) + b(g) + c(g) => d(g) for which the following data were obtained: experiment initial [a], mol/l initial [b], mol/l initial [c], mol/l initial rate, mol/l.s 1 0.0500 0.0500 0.0100 6.25 x 10^-3 2 0.100 0.0500 0.0100 2.50 x 10^-2 3 0.100 0.100 0.0100 1.00 x 10^-1 4 0.0500 0.0500 0.0200 6.25 x 10^-3 what is the rate law for the reaction?