Moles, Molar Mass, and Conversions

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

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

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

What is the mass of one mole of aluminum chloride (remember to determine the correct formula first)?

• 62.435g
• 116.399g
• 133.341g
• 97.888g

How many particles are in a mole?

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

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 the diatomic element nitrogen?

• 7 g/mol

• 14 g/mol

• 28 g/mol

Which would have more atoms?

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

Tags

NGSS.MS-PS1-1

How many water molecules are in 5.2 moles of water?

• 6.02 x 10²³
• 5.2
• 3.1304 x 10²⁴
• 8.638 x 10^-24

Tags

NGSS.MS-PS1-1

Which compound has the smallest molar mass?

• CO

• CO₂

• H₂O

• H₂O₂

How many grams are in 11.9 moles of chromium?

• 50 g
• 619 g
• 0.23 g
• 4.4 g