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Moles
Vocabulary
Mole - Mole
Mass -Mass
100
6.02 x 10^23 Particles
What is one mole?
100
A "tool" used when solving conversion problems.
What is conversion factor?
100
The molar mass of calcium chloride.
What is about 58 g/mol?
100
The difference between the units of molecular mass and formula mass.
What is amu and g/mol?
200
Another name for the mole, the scientist who studied it
What is Avogadro's number?
200
Equations must be balanced so that they will obey this law.
What is the Law of Conservation of Mass?
200
2 H2 + 02 = 2 H20 The number of moles of water can I make if I start with 16 moles of oxygen gas.
What is 8 moles?
200
You need to use this when solving a mass - mass problem.
What is the periodic table?
300
The unit factor for a problem involving molar mass.
What is grams per mole?
300
On the left side of the equation, in front of the yields sign.
What is the reactants?
300
What is the missing coefficient in the balanced chemical equation? 8 Al + ____ Fe3O4 ---> 4 Al2O3 + 9 Fe
What is 3?
300
The number of grams of magnesium in 7 moles.
What is 168 grams?
400
Represented by the coefficient in a balanced chemical equation.
What is the number of molecules or moles?
400
The thing that will cause your reaction to stop.
What is a limiting reactant?
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?
500
The number of liters of 1 mole of gas @ STP
What is 22.4 liters?
500
The calculation of quantitative (measurable #) relationships of the reactants and products in a balanced chemical reaction.
What is stoichiometry?
500
To get this, look at the coefficients of the balanced chemical equation.
What is the mole ratio?
500
___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?