Honors Mole Practice

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

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

What is the molar mass of fluorine gas?
(beware!)

• 18.998 g/mol
• 38 g/mol
• 9 g/mol
• 18 g/mol

What is the mass of one mole of aluminum?

• 27 g
• 13 g
• 54 g
• 14 g

How many particles are in a mole?

• 602
• 602 million
• 602 moles
• 6.02 x 10²³

Molar mass is in units of ________.

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

Which would have more atoms?

• 1 mole of Li
• 1 mole of Au
• 1 mole of Si
• None, all are equal

How many moles of magnesium are in 3.01x10²² atoms of magnesium?

• 5.00x10⁴⁴ moles Mg

• 0.0500 moles Mg

• 1.81x10⁴⁶ moles Mg

• 5.00 moles Mg

How many grams of carbon are in 0.63 moles of carbon?

• 3.79x10²³ g C
• .0524 g C
• 7.57 g C
• .800 g C

How many formula units are in 2.5 moles of NaCl?

• 1.5 x10²⁴ formula units

• 1.5 formula units

• 4.2 formula units

• 4.2 x10^-24 molecules

How many moles of copper are present in a sample that contains 4.57 x 10¹³ atoms of copper?

• 7.59 x 10^-11 moles

• 2.75 x 10³⁷ moles

• 7.59 x 10¹¹ moles

• 2.75 x 10³³ moles