Molar Mass, Mole, Percent Composition Quiz

• 1.01g

• 2.02g

• 1.02g

• 2.01g

• 100.09g

• 100g

• 100.2g

• 101g

• 84g

• .8401g

• 84.01g

• 81.04g

What is the molar mass of table salt (NaCl)?

• 116.886 g/mol
• 35.453 g/mol
• 22.990 g/mol
• 58.443 g/mol

The mass of each element per 100 mass unit of compound is called __________.

• percent composition

• molar mass

• mole ratio

• molecular formula

What is Avogadro's number?

• 6.02 x 10²³

• 1 mole

• 600 million

• 6.02

A mole is:

• The SI unit for mass

• The SI unit for the amount of a substance

• The SI unit for volume

• The SI unit for area

The molar mass of an element is equal to its...

• Atomic mass
• Atomic number
• Oxidation number
• Valence electrons

What are the units of a mole?

• M

• m

• mol

• mL

What are the units of molar mass?

• grams
• moles
• moles/gram
• grams/mole