Stoichiometry Practice Problems
1.) How many grams of Ag2SO4
can be produced from the reaction of 13.6 grams of AgNO3 with excess
Na2SO4? (12.5
grams)
___ AgNO3 +
___ Na2SO4 à ___ Ag2SO4 + ___
NaNO3
2.) How many grams of NaOH
are needed to react completely with 9.3 grams of CaCO3 in a double
replacement reaction? (7.4
grams)
___ NaOH +
___ CaCO3 à ___ Na2CO3 +
Ca(OH)2
3.) How many grams of oxygen are needed for the
complete combustion of 25.0 grams of propane (C3H8)? (90.9
grams)
___ C3H8 +
___ O2 à ___ CO2 + ___
H2O
4.) How many grams of silver are produced in the
reaction of 0.139 moles of AgNO3 with copper? (15.0
grams)
___ AgNO3 +
___ Cu à ___ Ag
+ ___ Cu(NO3)2
5.) How many moles of KNO3 can be
produced when 24.0 grams of Ni(NO3)2
react with excess KOH? (0.263
moles)
___ Ni(NO3)2 + ___
KOH à
___ Ni(OH)2 + ___ KNO3