Moles to Particles Conversions

How many formula units are in 2.5 moles of NaCl?

• 1.5 x10²⁴ formula units

• 1.5 formula units

• 4.2 formula units

• 4.2 x10^-24 molecules

Tags

NGSS.HS-PS1-7

How many molecules are there in 31.8 moles of water?

• 5.28 x 10^-23 molecules

• 1.91 x 10²⁵ molecules

• 5.28x 10-²⁵

• 1.91 x 10²²

Tags

NGSS.HS-PS1-7

How many moles are in 3.01 x 10²² atoms of magnesium?

• 0.05 moles

• 1.81 x 10⁴⁶ moles

• 5.00 x 10²¹ moles

• 5 moles

How many moles are 2.85 x 10²⁰ atoms of iron?

• 4.73 x 10^-4 moles

• 1.72 x 10⁴ moles

• 1.72 x 10^-42 moles

• 4.73 x 10⁴ moles

If you have 3 moles of sodium chloride (NaCl), how many formula units do you have?

How many atoms are in 2 moles of helium (He)?

Tags

NGSS.HS-PS1-7

A mole of carbon disulfide contains 6.02 x 10²³ _____

• atoms

• formula units

• ions

• molecules

Tags

NGSS.HS-PS1-7

The number 6.02 x 10²³ is called...

• Obama's number

• Bohr's number

• Trump's number

• Avogadro's number

How many molecules are in 2.5 mol of NaCl?

• 51x10²³

• 146

• 4.15

• 1.51x10²⁴

Which conversion factor should be used for the following question " How many molecules are there in 4.00 moles of glucose, C₆H₁₂O₆? 

• mole = 78.12 g

• mole = 22.4 L 

• mol = 6.02x 10²³ particles 

• more than one