The percent by mass of iron in Prussian blue is 32.6%.
The salt called Prussian blue is a salt that is of the family of the ferrocyanide salts. They are commonly used as dyes. This compound as it is know could be used as a blue dye in many quarters. In medicine it could be used to assist the body to expedite the elimination of certain elements or harmful chemicals from the body.
We are here mandated to obtain the percent by mass of the iron atom in the Prussian blue;
Molar mass of Prussian blue = 859
Mass of iron in Prussian blue = 5(56) = 280
Percent by mass of Prussian blue = 280/ 859 * 100 = 32.6%
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