Chemistry Problem Solving Videos @ WVU

Chem 115 Laboratory

Experiment 3 - Pre-Lab Assessment Video

Oxalate Stoichiometry Part B - Back to Part A

 

Pyrolysis of FeC2O4x2H2O will follow one of the following molecular equations. Balance each molecular equation.

 

a. FeC2O4x2H2O (s) + O2 (g) ➞ FeO (s) + H2O (g) + CO2 (g)

 

b.FeC2O4x2H2O (s) + O2 (g) ➞ Fe2O3 (s) + H2O (g) + CO2 (g)

 

c.FeC2O4x2H2O (s) ➞ FeCO3 (s) + H2O (g) + CO (g)

 

For each of the possible pyrolysis reactions, calculate the theoretical yield (in grams) of the solid product, assuming that ou use 1.0 g FeC2O4x2H2O and that the oxygen is the excess reactant. You will need to write in coefficients from the question above to balance the molecular equation.

 

a. FeC2O4x2H2O (s) + O2 (g) ➞ FeO (s) + H2O (g) + CO2 (g)

 

b.FeC2O4x2H2O (s) + O2 (g) ➞ Fe2O3 (s) + H2O (g) + CO2 (g)

 

c.FeC2O4x2H2O (s) ➞ FeCO3 (s) + H2O (g) + CO (g)