Mole Conversions Check

What is the number of particles in one mole of any substance?

• 3.01 x 10^23 particles

• 6.02 x 10^23 particles

• 6.02 x 10^22 particles

• 6.02 x 10^24 particles

How many moles of magnesium are there in 3.01 x 10^22 atoms of magnesium?

• 0.05 mol Mg

• 0.5 mol Mg

• 5 mol Mg

• 0.005 mol Mg

Tags

NGSS.HS-PS1-7

How many molecules are present in 4.00 moles of glucose, C6H12O6?

• 2.41 x 10^24 molecules

• 24.1 x 10^23 molecules

• 2.41 x 10^23 molecules

• 24.1 x 10^24 molecules

Tags

NGSS.HS-PS1-7

What is the number of formula units in 12.5 moles of calcium phosphate?

• 7.53 x 10^24 formula units

• 75.3 x 10^23 formula units

• 7.53 x 10^23 formula units

• 75.3 x 10^24 formula units

How many moles are in 28 grams of CO2?

• 0.64 mol CO2

• 6.4 mol CO2

• 0.064 mol CO2

• 64 mol CO2

What is the mass of 5 moles of Fe2O3?

• 798.5 g

• 79.85 g

• 7.985 g

• 7985 g

Tags

NGSS.HS-PS1-7

What is the molar mass of argon used in the calculation to find the number of moles of argon in 452 g of argon?

• 39.95 g/mol

• 40.08 g/mol

• 18.00 g/mol

• 28.02 g/mol

How many grams of CO2 are present in 3.45 moles of CO2?

• 151.8 g

• 44 g

• 100 g

• 200 g

Tags

NGSS.HS-PS1-7

How many molecules are there in 3.36 g of oxygen (O2)?

• 6.02 x 10^23 molecules

• 6.32 x 10^22 molecules

• 1.00 x 10^23 molecules

• 2.00 x 10^23 molecules

Tags

NGSS.HS-PS1-7

What is the result of the calculation for the mass of 2.00 x 10^23 molecules of F2?

• 12.0 g

• 37.92 g

• 12.6 g

• 50.0 g

Tags

NGSS.HS-PS1-7