This quantity can always be used in the same way as moles when interpreting balanced chemical equations.
number of molecules
100
5 moles of hydrogen combine with unlimited oxygen to produce water. How many moles of water were produced?
5 moles
100
5 moles of hydrogen combine with unlimited oxygen to produce water. How many liters of water were produced?
112 liters
100
5 moles of hydrogen combine with unlimited oxygen to produce water. How many grams of water were produced?
90 grams
100
How can you tell what the limiting reactant is?
Lab: used up first
Stoich: the reactant that produces the smallest amount of moles of the product
200
used up in the reaction
limiting reactants
200
5 moles of oxygen combine with unlimited hydrogen to produce water. How many moles of water were produced?
2.5 moles
200
5 moles of oxygen combine with unlimited hydrogen to produce water. How many liters of water were produced?
56 Liters
200
5 moles of oxygen combine with unlimited hydrogen to produce water. How many grams of water were produced?
45 grams
200
5 moles of hydrogen combine with 4 moles of oxygen to produce water. What is the limiting reactant?
hydrogen
300
the amount of product formed when a reaction is carried out in the laboratory
actual yield
300
MgCl2 + H2O --> MgO + HCl
4.2 moles of MgO were produced. How many moles of MgCl2 were there?
4.2 moles MgCl
300
MgCl2 + H2O --> MgO + HCl
4.2 moles of MgO were produced. How many liters of MgCl2 were there?
94.08 Liters
300
MgCl2 + H2O --> MgO + HCl
4.2 moles of MgO were produced. How many grams of MgCl2 were there?
390 grams
300
5 moles of hydrogen combine with 4 moles of oxygen to produce water. How many moles of water were produced?
5
400
the ratio of the actual yield to the theoretical yield
percent yield
400
MgCl2 + H2O --> MgO + HCl
4.2 liters of MgO were produced. How many moles of HCl were there?
0.375 moles
400
MgCl2 + H2O --> MgO + HCl
4.2 liters of MgO were produced. How many moles of HCl were there?
0.38 moles
400
MgCl2 + H2O --> MgO + HCl
4.2 grams of MgO were produced. How many moles of HCl were there?
0.21 moles
400
MgCl2 + H2O --> MgO + HCl
4.2 moles of MgCl2 and 3.7 moles of H2O are reacting, what is the limiting reagent?
Water
500
This is conserved only in reactions where the temperature is constant and the number of moles of gaseous reactants is the same as that of gaseous products.
liters
500
LiCl + Fe2O3 --> Li2O + FeCl3
You have 7.1 moles of LiCl, how many moles of FeCl3 are made?
2.37 moles
500
LiCl + Fe2O3 --> Li2O + FeCl3
You have 7.1 liters of LiCl, how many liters of FeCl3 are made?
2.37 liters
500
LiCl + Fe2O3 --> Li2O + FeCl3
You have 7.1 grams of LiCl, how many grams of FeCl3 are made?
2.3 grams
500
LiCl + Fe2O3 --> Li2O + FeCl3
You have 7.1 grams of LiCl and 11.6 grams of Fe2O3, how many grams of FeCl3 are made?