The Mole
Molar Mass
Molarity
Dimensional Analysis
Conversions
100
The name for the quantity 6.022 X 10^23.
What is Avogadro's number?
100
This is the unit for molar mass.
What is grams/mole?
100
Molarity is used in order to know how much of a substance is present in this kind of homogeneous mixture.
What is a solution?
100
Dimensional analysis uses a series of these fractions in order to change from one unit to another.
What are conversion factors?
100

Number of moles in 18.8 grams NaOH.

What is 0.47 moles NaOH?

200
Out of mass, volume or count: the mole is a measure of this.
What is count?
200
This chart is essential for computing molar mass.
What is the periodic table?
200
This fraction is the unit for molarity.
What is moles/Liter (mol/L)?
200
In dimensional analysis, each conversion factor undergoes this mathematical operation with the ones adjacent to it and with the original quantity.
What is multiplication?
200

A salt shaker containing 9.58 x 1023 formula units NaCl contains how many moles?

What is 1.59 moles NaCl?

300
If you had a dozen eggs, this would be "eggs". If you had two moles of FeO molecules, this would be "FeO molecules".
What are "representative particles"?
300
Molar mass for a molecule is the sum of the _________ masses for each atom.
What is atomic?
300
This quantity needs to be known to compute the number of moles in a solution.
What is the volume?
300
True or false: the numerator and the denominator of a conversion factor can be switched if need be.
What is true?
300

This is the number of molecules in 45.0 grams CH4.

What is 1.69 x 1024 molecules?

400
This button on the calculator is essential for entering Avogadro's number, or any other number in scientific notation.
What is the EE button?
400
This fraction is the conversion factor to convert grams of a substance to moles.
What is (1 mol)/(the molar mass)?
400
Molarity can also be referred to as this. Don't think too hard...
What is concentration?
400
Dimensional anaylsis is based on the idea of being able to cancel these.
What are units?
400

Given the equation:

2NO (g) + O2 (g) --> 2NO2 (g) 

If you had 6.50 moles O2, how many moles of NO2 will be produced?

What is 13.0 mol NO2?

500
This is a fraction used in mole calculations in which the numerator and the denominator are equal to each other and cancel to be 1.
What is a conversion factor?
500
This is the number of atoms in one molecule of ammonium nitrate.
What is 9?
500
This quantity needs to be known in order to find out how many grams of a substance you have in a solution of a certain volume and molarity.
What is the molar mass?
500
This is system of consecutively multiplied conversion factors used to change from one unit of measurement to another.
What is dimensional analysis?
500

Given the following equation:

3H2 (g) + N2 (g)  -->  2NH3 (g)    

A reaction starting with 0.03445 grams H2 and a sufficient amount of O2 would produce how many grams of NH3?

What is 0.1952 g NH3?

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