Choosing Conversion Factors: Particles or Grams?

Which conversion factor will you use for this problem?

How many moles of argon are in 6.25x1024 atoms of argon?

• 6.022x10^23 particles = 1 mole

• (molar mass from P.T.) g = 1 mole

Which conversion factor would you use for this problem?

How many grams of NaOH are in 34 moles of NaOH?

• 6.022x10^23 particles = 1 mole

• (molar mass from P.T.) g = 1 mole

Which conversion factor would you use for this problem?

How many moles of argon (Ar) are in 34.2 grams of argon (Ar)?

• 6.022x10^23 particles = 1 mole

• (molar mass from P.T.) g = 1 mole

Which conversion factor would you use for this probem?

How many atoms of helium are in 34 moles of helium?

• 6.022x10^23 particles = 1 mole

• (molar mass form P.T.) g = 1 mole

Which conversion factor would you use for this problem?

How many grams of NaOH are in 34 moles of NaOH?

• 6.022x10^23 particles = 1 mole

• (molar mass from P.T.) g = 1 mole

Which conversion factor would you use for this problem?

How many molecules of sugar are in a cube that contains 3 moles of sugar?

• 6.022x10^23 particles = 1 mole

• (molar mass form P.T.) g = 1 mole

Which conversion factor would you use for this problem?

2.3x1014 atoms of iron is equal to how many moles of iron?

• 6.022x10^23 particles = 1 mole

• (molar mass from P.T.) g = 1 mole

Which conversion factor would you use for this problem?

1. How many grams of CaF2 are in a cube that contains 3.2 moles of CaF2?

• 6.022x10^23 particles = 1 mole

• (molar mass from P.T.) g = 1 mole

Which conversion factor would you use for this problem?

100 grams of iron (Fe) is equal to how many moles of iron (Fe)?

• 6.022x10^23 particles = 1 mole

• (molar mass from P.T.) g = 1 mole

Which conversion factor would you use in this problem?

A scientist measures 6 moles of CO2. How many grams of CO2 are in this sample?

• 6.022x10^23 particles = 1 mole

• (molar mass from P.T.) g = 1 mole