Basic Notes/Vocab
Moles and Molar Masses
Mass-Mass
Miscellaneous
Units
100
Stoichiometry involves calculating amounts in _________ and _________.
What is moles and grams.
100
What is the molar mass of Carbon?
What is 12.01 g.
100
What table should you use to solve a mass-mass problem?
What is the Periodic table.
100
Where are the reactants located in an equation?
What is on the left side of the equation.
100
Mass is measured in what units?
What is grams.
200
What is the proportional relationship between two or more substances during a chemical reaction?
What is Stoichiometry.
200
How many mols of Hg are there in 400g?
What is 2 mols Hg.
200
In the equation; ____Al2O3 --> ____Al + ____ O2 What is the number of grams of Al2O3 which decompose if 81 grams of Al react with oxygen gas?
What is 153 grams Al2O3
200
What is another name for a mole, named after the scientist who discovered it?
What is Avagadro's Number
200
What counting unit is used to measure the number of particles in a substance?
What is moles.
300
The coeffecient can be found _________.
What is in front of the chemical in the balanced equation.
300
How many moles of Ne are there is 20.18g of Neon?
What is 1 mole
300
What is the number of grams of magnesium in 7.00 moles?
What is 168 g.
300
What is the number of liters of one mole of a gas?
What is 22.4 L
300
A molar mass always has the ratio of what units?
What is grams per mole.
400
The final quantity in stoichiometry is measured in ____________.
What is grams.
400
Fewer steps are required to solve stoichiometry problems when the reactant is given in _______.
What is Moles.
400
What is the difference between the units of molecular or formula mass and the units of molar mass?
What is One is g and one is g/mol.
400
What is represented by the coefficient in a balanced equation?
What is the number of moles
400
A mole ratio always has the ratio of what units?
What is moles/moles.
500
If the given is in grams, the first thing you must do is ___________.
What is converting to moles.
500
What is one mole equal to?
What is 6.02 x 10^23.
500
In the equation; ___H2 + ___ O2 --> ___ H2O What is the number of grams of oxygen gas which are needed to produce 10 grams of water?
What is 8.89 grams of O2
500
How do you get the mole to mole ratio?
What is looking at the coefficients in the balanced equation
500
Which is the unit of something that can be directly measured, grams or moles?
What is grams
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