Mole Review

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

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

What is the molar mass of Hydrogen Peroxide (H₂O₂)?

• 48 g/mole
• 34.02 g/mole
• 36.5 g/mole
• 35.5 g/mole

What is the mass in grams of 5.90 mol C₈H_18?

• .0512 g
• 19.4 g
• 673 g
• 389 g

How many grams are in
1.2 x 10²⁴ atoms of C?

• 23.9 grams
• 24 grams
• 6.02 grams
• 1.2 grams

How many grams are in 7.66 x 10²⁴ molecules of dinitrogen pentoxide?

• 1370 g
• 4.26 x 10²² g
• 1372 g
• 4.26 x 10⁴⁶ g

How many molecules are in 2.5 mol of NaCl?

• 1.51x10²³
• 146
• 4.15
• 1.51x10²⁴

Find the number of moles in 25 grams of HF?

• 1.2 mol HF
• 25 mol HF
• 0.8 mol HF
• 80. mol HF

How many grams is 1.2 moles of Neon?

• 0.05 grams
• 16.6 grams
• 21.2 grams
• 24 grams

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 moles are in 16.94g of water?

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