The Mole Review

How many molecules are in 2.5 mol of NaCl?

• 1.51x10²³
• 150
• 4.2
• 1.51x10²⁴

How many moles of CaO contain 6.02x10²⁵ formula units? 

• 100.
• 1.00
• 56.0
• 560.

How many molecules are in 9.4 moles of AlCl₃?

• 5.7
• 5.66x10²⁴
• 0.71
• 1.3x10²³

How many moles of copper (II) chlorate contain 1.45x10²¹ formula units?

• 8.73x10⁴⁴
• 1.20x10²⁴
• 0.002
• 1.45

What is the molar mass of sodium?

• 22.9
• 22.990
• 22.99
• 23.00

What are the units for molar mass?

• grams
• amu
• grams/mole
• liters

Tags

NGSS.HS-PS1-7

Fluorine is diatomic.  What is the molar mass of fluorine gas (F₂)?

• 18.998 g/mol
• 37.996 g/mol
• 38.00 g/mol
• 19.00 g/mol

What is the mass of 1.00 mole of aluminum?

• 26.98 g
• 13 g
• 27.0 g
• 14 g

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

• 116.89 g/mol
• 35.45 g/mol
• 22.99 g/mol
• 58.44 g/mol

What is the mass of 1.000 mole of aluminum chloride (remember to determine the correct formula first)?

• 62.44g
• 116.4g
• 133.33g
• 97.89g