Moles and molar mass C5a

C5A

molar and molar masses 

The mole: 

single attoms cannot be weighed due to their smallness, so are weighed in pre packed amounts. 

'the mole' is unit for a standard pack of a substance. one mole of one substance as the same mole as another substance.  

 The unit for molar mass is g/mol 

calculating molar mass:  …