Grams to Particles

What is the number of particles in 2 grams of hydrogen gas (H2)?

How many moles are there in 18 grams of water (H2O)?

• 1 mole

• 2 moles

• 0.5 moles

• 3 moles

What is the mass of 1 mole of carbon atoms?

• 12 grams

• 6 grams

• 24 grams

• 18 grams

If you have 3 moles of oxygen gas (O2), how many grams do you have?

• 96 grams

• 32 grams

• 48 grams

• 64 grams

How many particles are there in 1 mole of any substance?

What is the molar mass of sodium chloride (NaCl)?

• 58.44 g/mol

• 60.44 g/mol

• 50.44 g/mol

• 55.44 g/mol

How many grams are in 0.5 moles of sulfuric acid (H2SO4)?

• 49 grams

• 98 grams

• 24.5 grams

• 196 grams

What is the number of particles in 5 grams of helium gas (He)?

If you have 10 grams of carbon dioxide (CO2), how many moles do you have?

• 0.227 moles

• 0.455 moles

• 0.114 moles

• 0.341 moles

What is the mass of 2 moles of nitrogen gas (N2)?

• 56 grams

• 28 grams

• 14 grams

• 112 grams