Moles to Particles

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

How many atoms of iodine are in a mole of iodine?

• 53

• 63.55g

• 126.9

• 6.02 x 10²³

The number 6.02 x 10²³ is called...

• Obama's number

• Bohr's number

• Trump's number

• Avogadro's number

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

Which has more molecules?

• mole H₂O

• mole Al(OH)₃

• mole NaCl

• They are all the same

How many molecules would be in 8.4 moles of Octane (C₈H₁₈)?

• 5.77 x 10²³

• 5.04 x 10²⁴

• 5.77 x 10²⁶

• 5.04 x 10²³

What is the mole used for? 

• To measure the amount of grams in a substance

• To measure the amount of atoms or molecules in a substance

• To measure the amount of energy in a substance

• To measure the amount of bonding in a substance 

Tags

NGSS.HS-PS1-7

Avogadro's number of representative particles is equal to one_____

• kilogram

• gram

• kelvin

• mole