The Mole
Molar Mass
Magical Mole calculations
Dimensional Analysis
Percent Composition
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

The molar mass of calcium hydroxide.

What is 74.09 g/mol?

100
Dimensional analysis uses a series of these fractions in order to change from one unit to another.
What are conversion factors?
100

The first step in percent composition is to find the _________________.

What is molar mass?

200

Another name for the mole, after the scientist who studied it.

What is Avogadro's number?

200
This chart is essential for computing molar mass.
What is the periodic table?
200

mass divided by molar mass

How can we calculate the mole?

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

When I have parentheses in my compound, I _________.

What is multiply the subscripts with the number outside the parentheses?

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

This fraction is the conversion factor to convert grams of a substance to moles.

What is (1 mol)/(molar mass)?

300

The number of grams of magnesium in 7.00 moles.

What is 178 g?

300
True or false: the numerator and the denominator of a conversion factor can be switched if need be.
What is true?
300

The percent composition of hydrogen in the compound H2O

What is 11.2%?

400

Represented by the coefficient in a balanced chemical equation.

What is the number of moles of a substance?

400

For water, it is 18.02 g/mol.

What is the molar mass of water?

400

The mass of 2.5 moles of CaCO3

What is concentration?

400
Dimensional anaylsis is based on the idea of being able to cancel these.
What are units?
400

The percent composition of calcium in the compound Ca(NO3)2

What is approximately 24.43%?

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

The mass of 2.50 moles of CaCO3

What is 250 g?

500
This is system of consecutively multiplied conversion factors used to change from one unit of measurement to another.
What is dimensional analysis?
500

The percent composition of gold in Au2O3

What is 89.14%?

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