Mighty Moles
Formulas
Magical Mole-Mole
Mysterious Mass-Mass
Name Your Limit (ing Reactant)
100
6.02 x 10^23 particles
What is one mole?
100
A formula that represents the lowest whole number ratio of atoms in a compound.
What is empirical formula?
100
The molar mass of calcium hydroxide.
What is 74 g/mol?
100
The difference between atomic and molar mass.
What is the mass of a single element vs the mass of the entire compound?
100
The reactant which runs out first.
What is the limiting reactant?
200
Another name for the mole, after the scientist who studied it.
What is Avogadro's number?
200
The molecular formula with a molar mass of 88 and an empirical formula of C2H4O.
What is C4H8O2?
200
C5H12 + 8O2 = 5CO2 + 6H2O The number of moles of carbon dioxide I can make if I start with 16 moles of oxygen gas.
What is 10 moles?
200
You should look here when solving a mass-mass problem.
What is the periodic table?
200
actual yield/theoretical yield x 100 =
What is percent yield?
300
How much 1 mole of a compound weighs.
What is molar mass?
300
The percentage of each atom within a compound.
What is % composition?
300
Balance. ___Al + ___Fe3O4 ---> ___Al2O3 + ___Fe
What is 8 Al + 3 Fe3O4 ---> 4 Al2O3 + 9 Fe ?
300
The number of grams of magnesium in 7.00 moles.
What is 168 g?
300
The reagents which do not run out when the reaction stops.
What are the reactants/reagents in excess?
400
Represented by the coefficient in a balanced chemical equation.
What is the number of moles?
400
43.4% C, 1.2% H, 38.6% O, & 16.9% N
What is the % composition of C3HO2N
400
___CH4 + ___O2 --> ___ CO2 + ___H2O If I want to get 5.3 moles of water, how many moles of methane do I need?
What is 2.65 moles of methane?
400
____Al2O3 --> ____Al + ____ O2 The number of grams of Al2O3 which decompose if 81 grams of Al react with oxygen gas.
What is 153 grams Al2O3?
400
500g HCl and 500g Ag Balancing the equation, then converting both masses of grams to moles.
What are the first steps to naming the limiting reactant?
500
The number of moles in 36 grams of H2O
What is 2 moles?
500
percent composition for C4H5N2O
What formula is made up of 49.48% C, 5.19% H, 28.85% N, and 16.48% O?
500
% yield of 2.9g of MgO when given 2g of Mg.
What is 87.6% yield?
500
___H2 + ___ O2 --> ___ H2O The number of molecules in 8.89g of H20?
What is 2.97x10^23?
500
___SnO2 + ___H2 → ___ Sn + ___H2O You have 36 g of SnO2 and 36 g of H2. Find the limiting reactant.
What is SnO2?
M
e
n
u