Molar

What is the molar mass of (NH₄)₂S?

• 57.18 g/mol

• 68.17 g/mol

• 32.07 g/mol

• 17.04 g/mol

What is the molar mass of Fel₂?

• 55.85 g/mol

• 126.90 g/mol

• 239.65 g/mol

• 309.65 g/mol

What is the molar mass of Ca(OH)₂?

• 58.10 g/mol

• 73.09 g/mol

• 74.10 g/mol

• 114.18 g/mol

What is the molar mass of CH₃OH? (Two decimal places, not units)

What is the molar mass of CuSO₄? (Two decimal places, no units)

What is the molar mass of CCl₄? (Two decimal places, no units)

What is the molar mass of Fe(NO₃)₂? (Two decimal places, no units)

Tags

NGSS.HS-PS1-1

How many atoms are in a mole of neon?

• 10

• 20.18

• 6.022 x 10²³

How many molecules are in a mole of methane, CH₄?

• 5

• 16.05

• 6.022 x 10²³

The molar mass of an element is equal to its...

• Atomic mass

• Atomic number

• Oxidation number

• Valence electrons