Concept of Mole & Molar Mass

What is the molar mass of NaCl?

• 58 g/mol

• 28 g/mol

• 12 g/mol

• 6.02 x 10²³

What is the molar mass of carbon?

• 6.0 g/mol
• 12.0 g/mol
• 22.4 g/mol
• 6.02 x 10²³ g/mol

What is the molar mass of CO₂?

• 22.0 g/mol
• 28.0 g/mol
• 44.0 g/mol
• 56.0 g/mol

A mole of Neon contains
6.02 x 10²³ _____.

• atoms
• formula units
• ions
• molecules

How many atoms of iodine are in a mole of iodine?

• 53
• 63.55g
• 126.9
• 6.02 x 10²³

What is the molar mass of NaCl?

• 58 g/mol

• 28 g/mol

• 12 g/mol

• 6.02 x 10²³

The molar mass of an element is the mass of one ____ of the element, with numbers taken from the mass number on the periodic table.

• atom

• molecule

• mole

• gram

Which has more molecules?

• 1 mole CO₂
• 1 mole of N₂O₄
• 1 mole of H₂O
• They are all the same