Mole Conversions Practice

How many atoms of iodine are in 1 mole of iodine?

• 53
• 63.55

• 126.9
• 6.02 x 10²³

Which has more molecules?

• 1 mole H₂O
• 1 mole Al(OH)₃
• 1 mole NaCl
• They all contain the same number of molecules

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 

Tags

NGSS.HS-PS1-7

How many moles are in 4.50 x 10²³ atoms of aspirin?

• 9.03 x 10⁴⁶ moles
• 0.757 moles
• 4.73 moles
• 0.0131 moles

Convert 1.5 moles of naproxen to molecules

• 25.01 molecules
• 9.0 x 10²³ molecules
• 0.12 molecules
• 1.80 x 10²⁴ molecules

How many molecules are in 9.4 moles of ibuprofen?

• 5.66
• 5.66x10²⁴
• 0.705
• 1.25x10²³

How many atoms of each element are in a molecule of Mg(NO₃)₂?

• Mg: 1

  NO : 2

• Mg: 1

  N: 2

  O: 5

• Mg: 2

  N: 2

  O: 6

• Mg: 1

  N: 2

  O: 6

Tags

NGSS.MS-PS1-1

The mass of one mole of substance is called...

• molecular mass
• mole constant
• molar mass
• atomic weight

What is the molar mass of table salt (NaCl)?

• 116.9 g/mol

• 35.5 g/mol

• 23.0 g/mol

• 58.5 g/mol

What id the molar mass of UF₆?

• 101 g/mol

• 238 g/mol

• 257 g/mol

• 352 g/mol