Homework Help: Chemistry

Posted by P on Friday, December 10, 2010 at 10:34am.

A 0.5962g sample of iron ore is dissloved in acid producing Fe3+. Though a series of reactions, the iron precipitates as the Fe(OH)3. The precipitates is heated, forming solid Fe2O3. What is the mass % of iron in the sample if the analysis produced 0.3210g Fe2O3?

Chemistry - bobpursley, Friday, December 10, 2010 at 10:47am
figure the percent iron in Fe2O3..

percent= 2*atomicmassFe/formulamassFe2O3

then, percent in the sample

= percentabove*.3210/.5962

Answer this Question

Related Questions

Chemistry - A 0.5962g sample of iron ore is dissolved in acid producing Fe3+. ...
chemistry - A 0.1943g iron ore sample was dissolved in hydrochloric acid and the...
chemistry - A 28.6 g of iron ore is treated as follows. The iron in the sample ...
chemistry - A 46.9 g of iron ore is treated as follows. The iron in the sample ...
ap chemistry - A 25.2 g of iron ore is treated as follows. The iron in the ...
chemistry - A 1.362 g sample of an iron ore that contained Fe_3O_4 was dissolved...
AP Chemistry - A 7.6 g sample of iron ore is treated as follows. The iron in the...
chemistry - A 12.8 g sample of iron ore is treated as follows. The iron in the ...
AP chemistry - A 28 g sample of iron ore is treated as follows. The iron in the ...
chemistry - A 33.8 g sample of iron ore is treated as follows. The iron in the ...

For Further Reading

First Name:
School Subject:
Answer: