Mole Conversions

What is Avogadro's number?

• 6.02 x 10²³

• 1 mole

• 600 million

• 6.02

How many moles are in 6.02 x 10²³ molecules of H₂O?

• 1 mole

• 2 moles

• 6.02 moles

• 602000000000000000000000 moles

How many moles are in 8.30 X 10²³ molecules of H₂O?

• 1.38 X 10²³ moles H₂O

• 1.38 moles H₂O

• 2 moles H₂O

• 1 mole H₂O

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 molecules

• 1.91 x 10²³ molecules

What is the conversion factor that should be used to determine how many molecules are there in 4.00 moles of glucose, C₆H₁₂O₆?

• 
• 
• 
• 

Which has the most particles?

• 1 mole H₂

• 1 mole Na¹⁺

• 1 mole Al(OH)₃

• These are all the same

How many atoms are in 1 mole of Iodine (I)?

• 6.022 x 10²³

• 4.022 x 10²³

• 6.022 x 10²⁵

• 4.022 x 10²⁵

A student is conducting a laboratory experiment with sulfur hexafluoride. However, the student did not complete the required pre-laboratory notes.

Compound: SF₆

Mass: 235.7 g

Which selection would help the student complete the requisite notes?

• 1.6 moles, 9.72 x10²³ particles

• 0.62 moles, 9.72 x10²³ particles

• 1.6 moles, 2.65 x10²² particles

• 0.62 moles, 2.65 x10²² particles

The number of ____of each element in the chemical formula is also the moles of that element in the compound.

• atoms

• cells

Depends on the number of moles and the molar mass of each element in the compound’s representative particle.

• Molar Mass of Compounds

• Atom Mass of Compounds