Chemistry Mole

What is the mass of one mole of silver?

• 32.06 g

• 107.87 g

• 14.01 g

• 22.99 g

Calculate the molar mass of NaBr.

• 22.99

• 79.90

• 102.9

• none of the above

What is the molar mass of table salt (NaCl)? Read all options! Be careful!

• 58.44 amu

• 35.45 g/mol

• 22.99 g/mol

• 58.44 g/mol

How many steps are in a gram to molecule conversion?

• 1

• 2

• 3

• 4

How many steps are in a gram to mole conversion?

• 1

• 2

• 3

• 4

How many moles of H₂ is needed to react with 2 moles of N₂?

• 6

• 3

• 2

• 1

Tags

NGSS.HS-PS1-7

Which would have more atoms?

• 1 mole of Li

• 1 mole of Au

• 1 mole of Si

• None, all are equal

The molar mass of an element is the mass of one ____ of the element.

• atom

• molecule

• mole

• gram

How many molecules are in 2.00 moles of H₂O?

• 124x10²⁴ molecules of H₂O

• 1.20x10²³ molecules of H₂O

• 1.20x10²⁴ molecules H₂O

• 124

Tags

NGSS.HS-PS1-7

The number 6.02 x 10²³ is called...

• Obama's number

• Bohr's number

• Trump's number

• Avogadro's number