7. What is the molar mass of each of the following elements? a) helium, He(s)
c) potassium, K(s)
b) manganese, Mn(s)
d) boron, B(s)

The molar mass of:

Helium = 4.00 g/mol

Potassium = 39.0983 g/mol

Manganese = 54.94 g/mol.

Boron = 10.81 g / mol

Explanation:

Helium = 4.00 g/mol

Potassium = 39.0983 g/mol

Manganese = 54.94 g/mol.

Boron = 10.81 g / mol

Helium= 4.00g/mol

Potassium= 39.0983g/mol

Manganese= 54.94g/mol

Boron= 10.81g/mol

Explanation:

what are the two models

explanation: