The Mole

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 

What is Avogadro's Number? 

• 6.02 x 10²³
• - 6.02 10²³
• 6.02 x 10²²
• 6,020,000,000,000

Tags

NGSS.HS-PS1-7

How many atoms are in 1 mole of NaCl? 

• 6.02 x 10²³
• 58 
• 11
• 17

Tags

NGSS.HS-PS1-7

Why is the mole used to measure the atom?

• Atoms are extremely tiny particles, and their size varies from element to element

• Atoms are all the same size for every element

• Some atoms cannot be counted using the mole

• Tu eres loco, Senior Hagerman.

The mole is a...

• Unit to measure the amount of atoms in a substance

• Unit to measure distance

• Unit to measure time of atomic decay

• Unit used to measure the size of each atom in a substance

What is this number called?

• Avocado's Number

• Avogadro's Number

• Mendeleev's Number

• The mole

The mole can be used to measure (SELECT ALL CORRECT ANSWERS)

• The amount of atoms

• The amount of molecules or compounds in a substance

• The amount of particles

• The amount of fission or fusion decay over time

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

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 molecules

• 1.91 x 10²³ molecules

Which has the most particles?

• 1 mole H₂

• 1 mole Na¹⁺

• 1 mole Al(OH)₃

• These are all the same