Converting Using Moles

What is Avogadro's Number? 

• 6.02 x 10²³
• - 6.02 10²³
• 6.02 x 10²²
• 6,020,000,000,000

Tags

NGSS.HS-PS1-7

How many molecules of sugar (C₆H₁₂O₆) are in a mole?

• 24 molecules
• 180 molecules
• 180 g
• 6.02 x 10²³ molecules

How many molecules are in 2.5 mol of Na?

• 1.51x10²³

• 146

• 4.15

• 1.51x10²⁴

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

• 0.05 moles
• 1.81 x 10⁴⁶ moles
• 5.00 x 10²¹ moles
• 5 moles

If an atom of Fluorine has an atomic mass of 19 amu, it has a Molar mass of ____

• 19 lbs.
• 19 kg
• How am I supposed to know?
• 19 g/mol

What are the units for molar mass?

• grams
• amu
• grams/mole
• liters

How many atoms are in 9.44 moles of Al?

• 5.68 atoms Al

• 5.68x10²⁴ atoms Al

• 0.705 atoms Al

• 1.25x10²³ _{atoms Al}

How many atoms of Chlorine are in 2 moles of Chlorine?

• 1.2 x 10²⁴ atoms of Cl

• 1.68 x 10²³ atoms of Cl

• 3.01 x 10²³ atoms of Cl

• 6.02 x 10²³ molecules