Molar Mass/Particles

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

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

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?

• 27 g
• 13 g
• 54 g
• 14 g

How many particles are in a mole?

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

Calculate the molar mass for Al(OH)₃

• 78.0 g/mol

• 72 g/mol

• 28 g/mol

• 25 g/mol

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

What is the Molar Mass of Potassium Sulfide?..... :-) You get to figure out the formula.

• 110.262 g/mol

• 71.164 g/mol

• 174.258 g/mol

• 158.259 g/mol

Which of the following is needed to determine the molar mass of a molecule?

• Types of elements in the molecule

• Quantity of elements in the molecule

• Mass of the elements in the molecule

• All are correct and needed.

What is the molar mass of NaOH?

• 40 g/mol
• 38.989 g/mol
• 23.998 g/mol
• 57.004 g/mol