MOLES

Measurements/units

100

How much is a dozen?

12

200

What is the abbreviation for a mole?

Mol

300

A mole is a unit of what?

Mass

400

What is the unit after calculating the amount of mass per mole?

g/mol

500

What is the number of molecules in one mole for any substance?

Avogadro's number

Periodic Table/Compounds

100

What is the periodic table abbreviation for Magnesium?

Mg

200

What element does this represent (Au)?

Gold

300

What is the atomic mass of Oxygen?

15.999

400

What is the name of the formula K₂SO₄?

Potassium Sulfate

500

What is the name of the formula FeO?

Iron (II) Oxide

Random

100

Who is the mole named after?

Avogadro

200

Why do we use moles?

To simplify calculations

300

True or False: Molecular formula is the most simplified formula compound.

False, empirical formula is the most simplified formula compound.

400

What is the molar mass of K₂SO₄?

174.259 g/mol

500

Without simplifying, what is the exact number for Avogadro's number?

6.02214076

Calculating / mass

100

What is Avogadro's number?

6.02 x 10²³

200

When calculating the percent of each atom in a formula, what do the percentages ultimately add up to?

100%

300

What is the molar mass of FeO?

71.844 g/mol

400

What is the mass in grams of 2.25 mol of Fe? 

125.7 g

500

How many moles of gold, Au, are in 3.60 x 10²⁴ atoms of gold?

6.0 mol

Empirical / Molecular formulas

100

Define Empirical Formula

"The simplest positive integer ratio of atoms present in a compound." 

or 

The most simplified ratio of atoms in a compound.

200

What is the Empirical formula for H₂O?

H₂O (it's the same because the formula is already in its most simple form.

300

What is the molecular formula of NO₂?

N₂O₄

400

What is the Empirical formula for C₁₀H₂₂?

C₅H₁₁

500

What is the molecular formula of C₂H₆O

C₆H₁₈O₃