Chemical Quantities Without solving

What number must we use to convert between particles and moles?

• Avocado's Number

• The speed of light

• Avogadro's Number

• The mass of the compound

What is the conversion factor from liters to moles?

• 28.01 g

• 2 g

• 12.01 g

• 44.01 g

Tags

NGSS.HS-PS1-7

• 0.83 mol

• 1.204 mol

• none of the above

Tags

NGSS.HS-PS1-7

How many liters are in 3.4 moles of a gas?

• 0.15 L

• 6.59 L

• 3.4 L

• 76.16 L

How many atoms are present in a 13.5 gram sample of beryllium?

• 1.5 particles

• 9 particles

• 4.03 x10²³ particles

• 9.02 x10²³ particles

What is the SI unit for a count of atoms?

• meter
• mass
• molecule
• mole

How many moles are contained in 45 grams of aluminum?

• 27 mol
• 1215 mol
• 1.7 mol
• 57 mol

Find the number of atoms in 0.5 mole of aluminium.

[Avogadro constant, N_A: 6.02x10²³mol^-1]

• 3.01x10²³

• 3.01x10²²

• 6.02x10²³

• 6.02x10²²

How many moles of water contain 3.01x10²² water molecules?

[Avogadro constant, N_A: 6.02x10²³mol^-1]

• 0.05 mol

• 1.25 mol

• 0.90 mol

• 2.35 mol

Tags

NGSS.HS-PS1-7