Atomic mass of some elements are given [Mg=240=16]a) how many atoms are these in 120g Mg?b) find the mass of A×6.022×10²³ oxygen atoms

Atomic mass of some elements are given [Mg=240=16]a) how many atoms ar

1.	Atomic mass of some elements are given [Mg=240=16]a) how many atoms are these in 120g Mg?b) find the mass of A×6.022×10²³ oxygen atoms
Answer» A) no:of MOLES=120/24=5 No:of atoms=56.02210^23 b) no: of moles = (A6.02210^23)/(6.02210^23)=A Mass = A16