Molar Mass Quiz

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

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

The mass of one mole of an element is equal to

• its atomic number from the periodic table, but in amus.

• its atomic mass from the periodic table, but in amus.

• its atomic mass from the periodic table, but in grams.

• its atomic number from the periodic table, but in grams.

How do I calculate the molar mass of a compound?

• It is always 6.02 x 10²³

• Find the atomic mass of every element in total and add them together

• It is always 1

• Number of moles x mass

What is the mass of one mole of aluminum?

• 27 g
• 13 g
• 54 g
• 14 g

What is the molar mass of table salt (NaCl)?

• 116.88 g/mol

• 35.45 g/mol

• 22.99 g/mol

• 58.44 g/mol

Which of the following dimensional analysis setups will correctly convert 2.50 moles of sodium to grams of sodium?

• A
• B
• C
• D

Find the mass of 3.8 mol of H₂O. Round to the nearest tenth.

• 57.9 g

• 54.8 g

• 68.4 g

• 62.3 g

How many moles is in 25.0 g of Ca?

• 25.0 moles

• 0.62 moles

• 1.60 moles

• 40.0 moles

How many particles are in a mole?

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

Which would have more atoms?

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