Counting Atoms and Molar Mass

……. Is an amount of substance that has Avogadro’s number of atoms

• Molar mass

• Mole

• Avogadro’s number

• Relative atomic mass

Avogadro’s number = …..

• 3*10^23 atoms

• 10*10^23 atoms

• 6.022*10^23 atoms

• 6.022*10^23 g

Tags

NGSS.HS-PS1-7

……. Is the mass of one mole

• Atomic number

• Relative atomic mass

• Average atomic mass

• Molar mass

Tags

NGSS.HS-PS1-7

The measuring unit of atomic mass is …….

• g/mol

• u

• kg

The measuring unit of molar mass is ………

• u

• g/mol

• kg/mol

The mass of one atom of an element is called ………

• Atomic number

• Atomic mass

• Molar mass

The molar mass is equal to the atomic mass numerically ( As a value)

• True

• False

Tags

NGSS.HS-PS1-7

What is the atomic mass of an element that has 6 times the mass of the standard atom?

• 60 u

• 72 g

• 72 u

• 60 g

What is the amount of moles of 8.08* 10^ 22 atoms of S? ( 8.08 times 10 power 22)

• 0.2 moles

• 0.134 moles

• 0.18 moles

• 0.25 moles

What is the molar mass of Calcium ( Ca) ? Use the periodic table

• 10 g

• 20 g

• 40 u

• 40 g/ mol