mole facts

The mass of one mole of an element is equal to

• its atomic number from the periodic table, but in amus.

• its atomic mass from the periodic table, but in amus.

• its atomic mass from the periodic table, but in grams.

• its atomic number from the periodic table, but in grams.

What are the units for Avogadro's number?

• meters

• particles

• grams

• liters

How is moles abbreviated?

• M

• m

• mol

• ml

Why is the mole used in chemistry?

• The mass of atoms is in AMUs which is too hard to convert to grams.

• A dozen is not a scientific amount.

• Chemists needed to make chemistry easier to understand.

• It makes counting large numbers of small particles easier.

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

Which has the most particles?

• 1 mole H₂

• 1 mole Na¹⁺

• 1 mole Al(OH)₃

• These are all the same

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

• 1 mole

• 2 moles

• 6.02 moles

• 602000000000000000000000 moles

What is Avogadro's number?

• 6.02 x 10²³

• 1 mole

• 600 million

• 6.02

What is the molar mass of one molecule of Nitrogen N₂?

• 14.01 amu
• 14.01 g
• 28.02 g
• 28.02 amu

What is the Molar mass of one mole of Iron (Fe)?

• 55.93 amu
• 55.93 g
• 111.86 amu
• 111.86 g