Mighty Moles
6.02 x 10^23 particles
What is one mole?
The relative amounts of elements within a compound.
What is percent composition?
The molar mass of calcium hydroxide.
What is 74 g/mol?
The difference between the units of atomic mass and molar mass
What is one is amu and one is g/mol?
The percent composition of FeSO4.
What is 36.76% Fe, 21.11% S, and 42.13% O?
Another name for the mole, after the scientist who studied it.
What is Avogadro's number?
Equations must be balanced so that they will obey this law.
What is the Law of Conservation of Mass/Matter?
C5H12 + 8 O2 = 5 CO2 + 6 H2O
The number of moles of carbon dioxide I can make if I start with 16 moles of oxygen gas...
What is 10 moles?
You should look here when solving a mass-mass problem.
What is the periodic table?
The empirical formula for a compound with 27.37% Na, 1.20% H, 14.30% C, and the rest is O.
What is NaHCO3?
The conversion factor(s) for a problem involving molar mass.
1 mol / molar mass
OR
molar mass / 1 mol
The lowest whole number ratio of elements within a compound.
What is empirical formula?
Balanc
___Al + ___Fe3O4 ---> ___Al2O3 + ___Fe
What is
8 Al + 3 Fe3O4 ---> 4 Al2O3 + 9 Fe ?
The number of grams of magnesium in 7.00 moles.
What is 168 g?
___ CH4 + ___ O2 ---> ___ CO2 + ___ H2O
The volume of CO2 that can be made from 12.1 L O2.
What is 6.05 L CO2?
Represented by the coefficient in a balanced chemical equation.
What is the number of moles OR molar ratio?
The calculation of quantitative relationships of the reactants and products in a balanced chemical reaction.
What is stoichiometry?
___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?
____ 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?
___ AgCl + ___ H2 ---> ___ Ag + ___ HCl
The volume of H2 needed to produce 10.9 g Ag.
What is 1.13 L H2?
The number of liters of one mole of a gas @ STP.
What is 22.4 L?
At STP, 1 mole of ANY gas will contain 6.02 x 1023 particles within a volume of 22.4 L.
What is Avagadro's Hypothesis?
To get these, look at the coefficients in the balanced equation.
What is the numbers for a mole:mole ratio?
___ H2 + ___ O2 --> ___ H2O
The number of grams of oxygen gas which are needed to produce 10 grams of water.
What is 8.89 grams of O2?
___ SnO2 + ___ H2 → ___ Sn + ___ H2O
The mass of Sn that can be produced from 190 g SnO2.
What is 149.7 g Sn?