Question

calculate the number of atom in 254 u of iodine​

Answer 1

Answer:

Explanation:

Moles of iodine=254/127=2

Now,no. Of atoms =2×6.02×10^23

=12.04×10^23

Answer 2

Answer:

2 atoms

Explanation:

Given :-

Atomic mass of I = 127 u

To Find :-

No. of atoms in 254 u of Iodine

No. of atoms in 254 g of Iodine

Solution :-

( a )

No. of atoms = given mass / atomic mass

No. of atoms = 254/127 = 2 atoms.