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Homework Help: chemistry

Posted by bliss on Friday, January 25, 2013 at 10:34am.

an iron supplement is used to treat anaemia and 50mg of iron 2 is required per tablet.if the iron compound used in the tablet is FeSO4.7H2O,what mass of this compound would be required per tablet to provide the desired amount of iron 2?

• chemistry - DrBob222, Friday, January 25, 2013 at 11:56am

  50 mg Fe x (molar mass FeSO4.7H2O/atomic mass Fe) = ?mg FeSO4.7H2O is what the final equation is.
  Intermediate equation is
  50 mg Fe x (1 mol Fe/atomic mass Fe) x (1 mol FeSO4.7H2O/1 mol Fe) x (molar mass FeSO4.7H2O/1mol FeSO4.7H2O) = ? mg FeSO4.7H2O
  

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