Molar mass

Which would have more atoms?

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

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

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

How many particles are in a mole?

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

Which compound below has the smallest molar mass?

• CO

• CO₂

• H₂O

• H₂O₂

Which has a greater mass: 1 mole of sodium (Na) or 2 moles of lithium (Li)?

• 1 mole of sodium

• 2 moles of lithium

• neither

• more information is needed.

We are trying to calculate the mass of 3.5 moles of Aluminum (Al).

1mol Al = 26.982 g

If we have 3.5 moles in the top left of the T-chart, how should we input the conversion factor

• 1 mol Al on top and 26.982 g on the bottom

• 26.982 g on the top and 1 mol Al on the bottom

• 26.982 g on the bottom and 1 mol al on the bottom

• 3.5 mol Al on the bottom and 1 mole Al on the top

What is the molar mass of Cl₂?

• 17 g/mol

• 35.5 g/mo;

• 71.0 g/mol

• 89 g/mol

What is the molar mass of sodium (Na)?

• 11 g/mol

• 23 g/mol

• 1 g/mol

• 3 g/mol

When trying to calculate the mass of 2 moles of carbon how should the conversion factor be input into the T-chart?

• 1 mol on top and 12.01 g on the bottom

• 12.01 g on the top and 1 mol on the bottom

• 24.02 g on the top and 1 mol on the bottom

• 1 mol on the top and 24.02 g on the bottom