Mole and molar mass

Front

What is the mass of 2.50 mol of oxygen gas O₂?

Back

80 g

Front

Which would have more atoms? 1 mole of Li, 1 mole of Au, 1 mole of Si, None, all are equal

Back

None, all are equal

Front

Molar mass is in units of ________.

Back

grams/mole

Front

Which represents the greatest mass of sulfur? 1 gram of sulfur, 1 molecule of sulfur, 0.5 mole of sulfur, 6.02 x 10²³ atoms of sulfur

Back

6.02 x 10²³ atoms of sulfur

Front

What is the definition of molar mass?

Back

number of grams per one mole of a substance

Front

How many grams are in 3 moles of water (H₂O)?

Back

54 g

Front

What is Avogadro's number?

Back

6.02 x 10²³ particles/mole

Front

If the molar mass of carbon is 12 g/mol, what is the mass of 0.5 moles of carbon?

Back

6 g

Front

What is the relationship between moles and mass?

Back

Mass (g) = Moles x Molar Mass (g/mol)

Front

How many moles are in 100 grams of NaCl (molar mass = 58.5 g/mol)?

Back

1.71 moles