Mole Notes

What is Avogadro's number?

• 6.02 x 10²³

• 1 mole

• 600 million

• 6.02

Tags

NGSS.HS-PS1-7

What is the mole used for? 

• To measure the amount of pieces of 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

What is the molar mass of H₂O?

• 6.02 x 10²³
• 16.02 g/mole

• 18.02 g/mole

• 15.99999 g/mole

What is the molar mass NaCl?

• 58.44 g/mole

• 22.99 g/mole

• 35.45 g/mole

• 6.02 x 10²³

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

What are the units for molar mass?

• grams
• amu
• grams/mole
• liters

Tags

NGSS.HS-PS1-7

What do we call the chemistry unit for the amount of a substance?

• Avogadros number
• kilogram
• mole
• liter

How do you find the molar mass for an element?

• Add the weights of all the atoms in the compound.

• You convert into molar mass from a mass given to you

• You can only be given molar mass, it can't be calculated

How do you convert from Moles to Mass (grams)?

• Multiply by Molar Mass

• Divide by Molar Mass

• Multiply by 22.4

• Divide by 22.4

How do you convert from Mass (grams) to Moles?

• Multiply by Molar Mass

• Divide by Molar Mass

• Multiply by 6.02 x 10²³

• Divide by 6.02 x 10²³