Mole to Mole Exit

When you are solving for molecules, atoms, and particles you always use what number?

• 6.02 X 10²³

• Lucky 7

• Guess

• 24

Tags

NGSS.HS-PS1-7

If you have moles on top, what do you need on the bottom of the conversion factor to be?

• atoms

• particles

• grams

• moles

How many molecules are in 27.5 grams of NaOH

• 41.4 molecules

• 4.14 x 10²³ molecules

• 4.14 x 10²⁵ molecules

• 1.83 x 10^-21 molecules

How many moles are in 2.85 x 10¹⁸ atoms of iron, Fe?

• 41.4 molecules

• 4.14 x 10²³ molecules

• 4.14 x 10²⁵ molecules

• 1.83 x 10^-21 molecules

How many moles are in 3.01 x 10²² atoms of magnesium, Mg?

• 0.05 moles

• 1.81 X 10⁴⁶ moles

• 5.00 x 10²¹ moles

• 5 moles

If you have moles on top, what do you need on the bottom of the conversion factor to be?

• atoms

• particles

• grams

• moles

Tags

NGSS.HS-PS1-7

How many moles of water can be produced if 6.5 moles H₂ are used?

• 4 moles

• 6.5 moles

• 16 moles

• 2 moles

Tags

NGSS.HS-PS1-7

2 C₈H₁₈ + 25 O₂ → 18 H₂O + 16 CO₂

How many moles of water would be produced by burning (reacting) 8.15 moles of octance, C₈H₁₈, with oxygen from the air?

• 73.4 moles

• 16.3 moles

• 147 moles

• 18.0 moles

How many moles of S₈ is needed to produce 12 moles of SO₃?

• 1

• 1.5

• 2

• 12

Tags

NGSS.HS-PS1-7

How many moles of KCl is produced when 6.75 moles of O₂ is also produced?

• 2

• 3.5

• 4.5

• 6.75

Tags

NGSS.HS-PS1-7