48 g of Mg contains the same number of a...

48 g of Mg contains the same number of atoms as 160 g of another element . The atomic mass of the element is

A

24

B

320

C

80

D

40

Verified by Experts

The correct Answer is:

C

48g mg = 2 moles Mg
same no. of atoms implies same moles
implies 160gm = 2 moles
`therefore` 1mole = 80gm

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