Mole Ratios Notes w. WarmUp.notebook
January 03, 2017
Warm Up 1/3/17! Welcome Back!
Write and balance the 3 equations on "Pre­Stoichiometry" handout.
Don't forget:
­­Diatomic elements
­­Charges for ionic compounds
Aluminum metal is heated strongly in a stream of oxygen gas.
Al + O2 Al2 O3
4 atoms
3 molecules
2 molecules
OR
OR
OR
4 moles 3 moles 2 moles
of atoms of molecules of molecules
1
Mole Ratios Notes w. WarmUp.notebook
January 03, 2017
4 Al + 3 O2 2 Al2 O3
Mole Ratios:
4 mol Al
4 mol Al
3 mol O2
2 mol Al2O3 3 mol O2
4 Al + 3 O2 2 mol Al2O3 3 mol O2
4 mol Al
2 Al2 O3
Mole Conversions:
How many moles of oxygen are used up when 4.82 moles of aluminum oxide produced? 2
Mole Ratios Notes w. WarmUp.notebook
January 03, 2017
(NH4)2CO3 + Fe(NO3 ) 3
NH4NO3 + Fe2(CO3)3
Mole Conversion:
How many moles of iron(III) carbonate are produced when 0.75mol of ammonium carbonate react? C6H14 + O2
CO2 + H2O
Mole Conversion:
How many moles of oxygen gas are needed to completely react with 13.27mol of hexane?
3