Mole Review

Which of the following dimensional analysis setups will correctly convert 27.76g of Li to atoms of Li?

• A
• B
• C
• D

How many moles are in 16.94g of water?

• 16.94 mol H₂O
• 0.9401 mol H₂O
• 305.3 mol H₂O
• 1.063 mol H₂O

Which of the following dimensional analysis setups will correctly convert 2.50 moles of sodium to grams of sodium?

• A
• B
• C
• D

How many O's are in Al₂(SO₄)₃

• 4
• 12
• 7
• 24

What is Avogadro's Number? 

• 6.02 x 10²³
• - 6.02 10²³
• 6.02 x 10²²
• 6,020,000,000,000

Tags

NGSS.HS-PS1-7

How many molecules of sugar (C₆H₁₂O₆) are in ONE mole?

• 24 molecules
• 180 molecules
• 180 g
• 6.02 x 10²³ molecules

Number of N atoms in (NH₄)₂CrO₄

• 1
• 2
• 8
• 16

What is the molar mass of NaOH?

• 368.0 g/mole 
• 40.00 g/mole
• 57.00 g/mole
• 23.00 g/mole

What is the conversion factor that should be used to determine how many molecules are there in 4.00 moles of glucose, C₆H₁₂O₆?

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• 
• 

What is the percent composition by mass of sulfur (S) in the compound MgSO₄?

• 20.22%

• 19.85%

• 26.64%

• 28.64%