Mole Conversions

How many moles are 1.20 x 1025 atoms of phosphorous?

• 2 mol.

• 20 mol.

• 11 mol.

• 10 mol.

How many atoms are in 0.750 moles of zinc?

• 4.5 X 10²³ atoms

• 45 X 10²³ atoms

• 0.45 X 10²³ atoms

• 9 X 10²³ atoms

What is the mass of 2.4X10²³ molecules of N₂?

• 21.3 g

• 1.1 g

• 12.1 g

• 11.2 g

Find the number of moles of argon in 452 g of argon.

• 11.3 g

• 3.11 g

• 21.3 g

• 14.1 g

Determine the volume in liters occupied by 14 g of nitrogen gas at STP.

• 1.1 dm³

• 11.2 dm³

• 13.1 dm³

• 112 dm³

Find the mass, in grams, of 1.00 x 1023 molecules of N₂.

• 14.65 g

• 1.46 g

• 42 g

• 4.65 g