The unknowns are a mixture of ferrous ammonium sulfate, FeSO4(NH.)2SO4 6H20, and ammonium sulfate, (NH.)2SO4. Calculate the amount of ferrous ammonium sulfate, and the amount of ammonium sulfate needed to prepare a sample that is 10.00% Fe with a total mass of 0.2000 g. Be sure to show your work... a. for the calculation of the mass of ferrous ammonium sulfate: b. for the calculation of the mass of ammonium sulfate: c. Of course, the reality of the situation is that when you measure out the mass of the sample you will not get the exact amounts calculated. Use the amounts given below to calculate the actual %Fe in the sample. FeSO (NH,)2SO46H20 0.1462 g (NH4)2SO4 0.0622 g Total mass Be sure to show the work for the calculation of the %Fe:

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".