The Mole Concept - a Review

True or False? The mole is a derived unit of measurement.

• True

• False

What is the molar mass of carbon (C)?

• 6 g/mole

• 8 g/mole

• 12 g/mole

• 16 g/mole

What is the molar mass of carbon monoxide (CO)?

• 14 g/mole

• 24 g/mole

• 28 g/mole

• 32 g/mole

True or False? A sample of silicon, which has a mass of 28 g, has an exactly 1 mole of silicon.

• True

• False

True or False? One mole of silver has 6.02 x 10^23 atoms of silver.

• True

• False

True or False ? One mole of water (H₂O) has 6.02 x 10²³ molecules of water.

• True

• False

Fill in the blank: 1 mole of salt (NaCl) is equal to _____ g NaCl.

• 28

• 58

• 85

• 100

Tags

NGSS.HS-PS1-7

Fill in the blanks: One mole of potassium hydroxide (KOH) is equal to _______ g KOH.

• 28

• 36

• 48

• 56