Molar Mass

Calculate the molar mass of Cu₂O.

• 37 g/mol

• 45 g/mol

• 79.5 g/mol

• 143 g/mol

What is the molar mass of NaCl?

• 49.46 g/mol

• 58.44 g/mol

• 152.92 g/mol

• 161.90 g/mol

What is the molar mass of CuBr₂?

• 145.23 g/mol

• 122.54 g/mol

• 223.35 g/mol

• 213.54 g/mol

What is the mass of one mole of Helium?

• 4 g

• 2 g

• 8 g

• There is no way to know

Calculate the molar mass for Al(OH)₃

• 78.0 g/mol

• 72 g/mol

• 28 g/mol

• 25 g/mol

Copper (II) nitrate, Cu(NO₃)₂ has a molar mass of....

• 188

• 126

• 152

• 174

The mass of one mole of substance is called...

• molecular mass

• mole constant

• molar mass

• atomic weight

What is the molar mass of 0.76 moles of B₂(CO₃)₃?

• 154 g/mol

• 95 g/mol

• 39 g/mol

• 201.648 g/mol

What is the molar mass of sodium?

• 11

• 23

• 45.98

• 3

What is the molar mass of fluorine gas?
(beware! it is a diatomic molecule....)

• 18.998 g/mol

• 38 g/mol

• 9 g/mol

• 18 g/mol