Mole Conversion Practice

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

• A
• B
• C
• D

Tags

NGSS.HS-PS1-7

Which conversion factor should be used to solve the following, "How many moles are in 28 grams of CO₂?"

• 1 mol = 22.4 L 
• 1 mol = 44.01 g
• 1 mol = 6.02x10²³ atoms
• more than one

Tags

NGSS.HS-PS1-7

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

• 48.10 g/mol
• 34.02 g/mol
• 36.54 g/mol
• 35.51 g/mol

How many moles are in 16.94 g of water?

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

How many molecules are in 9.44 moles of AlCl₃?

• 5.68 molec AlCl₃
• 5.68x10²⁴ molec AlCl₃
• 1.25 molec AlCl₃
• 1.25x10²³ molec AlCl₃

Which of the following would have the highest number of moles?

• 4 g CO₂
• 15 g H₂O
• 22 g NaCl
• 100 g AgCl

You have 8.65 x 10²⁵ atoms of arsenic. How many grams do you have?

• 144 g As
• 10,765 g As
• 107 g As
• None of these

Tags

NGSS.HS-PS1-7

How many moles are there in 24.0 grams of FeF3?

• 12.6 moles

• .213 moles

• 4.70 moles

• .684 moles

How many grams are there in 7.40 moles of AgNO3?

• 0.043 grams

• 680 grams

• 0.140 grams

• 1260 grams

How many molecules are there in 9.34 grams of H2O?

• 4.08 x 10^22 molecules

• 3.12 x 10^23 molecules

• 1.01 x 10^26 molecules

• 2.73 x 10^25 molecules