9.7 MidUnit Review

Which is the correct conversion factor when converting form moles to liters?

• 1 mole = 22.4 Liters

• 22.4 moles = 1 Liter

• 1 mole = 6.02 x 10^23 liters

• 6.02 x 10^23 moles = 1 liter

Which is the correct conversion factor when converting from moles to molecules?

• 1 mole = 22.4 molecules

• 22.4 moles = 1 molecule

• 1 mole = 6.02 x 10^23 molecules

• 6.02 x 10^23 moles = 1 molecule

If you convert from moles of one compound to moles of another, what do you need to be able to solve this problem?

• molar mass

• number of particles

• Liters of compound A

• mole ratios

If you convert from grams of one compound to moles of another, what do you need to be able to solve this problem (choose all that apply)?

• molar mass of compound A

• molar mass of compound B

• mole ratios

• number of particles

• Liters of compound B

If you convert from grams of compound A to grams of compound B, what do you need to be able to solve this problem? (Choose all that apply)

• molar mass of compound A

• molar mass of compound B

• mole ratios

• number of particles

• Liters of compound B

Tags

NGSS.HS-PS1-7

What is the mole ratio for this balanced chemical equation?

NaHCO₃ + CH₃COOH --> NaCH₃OO + CO₂ + H₂O

• 1:1:1:1:1

• 1:2:1:2:1

• 1:1:1:1:2

• 2:3:4:1:2

What is the mole ratio for this balanced chemical equation?

2Na + Cl₂ --> 2NaCl

• 1:2:1:1

• 1:1:2:2

• 2:2:2

• 2:1:2

Tags

NGSS.HS-PS1-7

Which of the following chemical equations is balanced?

• H₂ + O₂ --> H₂O

• 2H₂ + 2O₂ --> H₂O

• H₂ + 2O₂ --> H₂O

• 2H₂ + O₂ --> 2H₂O

Tags

NGSS.HS-PS1-7

What is the molar mass of NO?

• 14.007 g/mol

• 15.999 g/mol

• 30.006 g/mol

• 44.002 g/mol

What is the molar mass of Li₂O?

• 6.940 g/mol

• 15.999 g/mol

• 22.939 g/mol

• 28.879 g/mol