The Mole

The number 6.02 x 10²³ is called...(definition for mole)

• Rutherford's number

• Bohr's number

• Thomson's number

• Avogadro's number

How can you figure out how many particles (atoms) there are in 2 moles?

• 2

• 2 x (6.02 x 10²³)

• 2 x (atomic mass)

• 2 ÷ (6.02 x 10²³)

The mass of one mole of substance is called...

• molecular mass
• mole constant
• molar mass
• atomic weight

How many particles are in a mole?

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

What are the units for molar mass?

• grams
• amu
• grams/mole
• liters

Which compound has the smallest molar mass?

• CO
• CO₂
• H₂O
• H₂O₂

Avogadro's number of representative particles is equal to one_____.

• kilogram
• gram
• kelvin
• mole

What is the molar mass of PbSO₄

• 303.3 g/mol
• 294.7g/mol
• 163.8g/mol
• 372g/mol

What is the molar mass of NaBr

• 381.9g/mol
• 102.9 g/mol
• 213.6g/mol
• 93.0g/mol

What is the molar mass of Zn(C₂H₃O₂)₂

• 392.8g/mol
• 142.9g/mol
• 361g/mol
• 183.5 g/mol