Mole

What is the mole ratio of P₄ to O₂?

• 1:3

• 1:2

• 3:2

• 3:1

CaCl₂ + 2 Na₃PO₄ → Ca₃(PO₄)₂ + 6 NaCl

What is the mole ratio of NaCl to Ca₃(PO₄)₂?

• 1:6

• 6:1

• 2:3

• 3:2

Tags

NGSS.HS-PS1-7

What is the mole ratio of iron oxide to oxygen gas?

• 4/7

• 7/4

• 2/7

• 7/2

Tags

NGSS.HS-PS1-7

What is the mole ratio of iron sulfide to oxygen gas?

• 4/7

• 7/4

• 2/7

• 7/2

Tags

NGSS.HS-PS1-7

Hg(OH)₂ + 2 H₃PO₄ → Hg₃(PO₄)₂ + 6 H₂O

What is the mole ratio of Hg₃(PO₄)₂ to H₃PO₄?

• 1 to 2

• 2 to 1

• 2 to 3

• 3 to 2

What is the mole ratio of Hg(OH)₂ to Hg₃(PO₄)₂ ?

• 1 to 2

• 2 to 1

• 3 to 1

• 1 to 3

Tags

NGSS.HS-PS1-7

Convert 4.5x10²⁴ atoms to moles

• 0.747 particles

• 0.747 mol

• 2.71x10⁴⁷ mol

• 2.71x10⁴⁷ particles

Convert 5.11x10²³ atoms of lithium to moles?

• 1.18

• 0.351

• 1.34

• 0.849

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

• A

• B

• C

• D

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

• A

• B

• C

• D

Tags

NGSS.HS-PS1-7