The Mole

Which has more molecules?

• 1 mole H₂O
• 1 mole Al(OH)₃
• 1 mole NaCl
• They are all the same

What is the molar mass of AuCl₃?

• 96 g
• 130 g
• 232.5 g
• 303.3 g

What is this number called?

• Avocado's Number

• Avogadro's Number

• Mendeleev's Number

• The mole

A sample of silver contains 5.71 x 10²² atoms. How many moles of silver are present?

• 3.43 x 10⁴⁶ moles

• 0.0529 moles

• 0.0948 moles

• 10.5 moles

Match the following atoms to their molar mass

• 55.9

• N

• 40.1

• O

• 14.0

• H

• 1.0

• Fe

• 16.0

• Ca

Which compound has the HIGHEST molar mass?

Tags

NGSS.HS-PS1-7

Which element in the compound will have the HIGHEST percent composition?

Tags

NGSS.HS-PS1-3

How many moles of phosphorus are in 1 mole of Ba₃(PO₄)₂?

• 3

• 2

• 4

• 8