What is the mass of 2.00 moles of carbon dioxide (CO₂)?

____________ grams

How many moles are there in 64.0 grams of methane (CH₄)? (3 sig figs)

What is the volume of 3.00 moles of hydrogen gas (H₂) at STP? (3 sig figs)

_____________ liters

How many moles are there in 2.50 liters of oxygen gas (O₂) at STP? (3 sig figs)

What is the mass in grams of 1 mole of water (H₂O)? (4 sig figs)

How many moles are there in 1.66 x 10²⁴ atoms of carbon (C)? (3 sig figs)

How many atoms of copper is in 2.46 moles of copper?

• 1.48 x 10²⁴

• 4.09 x 10^-24

• 1

• 6.02 x 10²³

What is the mass in grams of 3.25 liters of nitrogen gas (N₂) @ STP? (3 sig figs)

What is the volume in liters of 34.2 grams of carbon monoxide (CO) at STP? (3 sig figs)

What is the mass of 1.289 x 10²⁴ molecules of glucose (C₆H₁₂O₆)? (4 sig figs)