Question

calculate the number of atom in each of the following(Given : Atomic mass of I=127u). a. 254 u of iodine (l). b. 254 g of iodine (I).​

Answer 1

Answer:2

Explanation:atomic mass of iodine is 127g so

No of atoms =given mass/ atomic mass

=254/127

=2

Answer 2

Hello dear,

◆ Answer -

(a) In 254 u of iodine, No of atoms = 2 atoms

(b) In 254 g of iodine, No of atoms = 1.2044×10^24 atoms

◆ Explaination -

(a) In 254 u of iodine -

No of atoms = 254 / 127

No of atoms = 2 atoms

(b) In 254 g of iodine -

No of atoms = 254 / 127 × 6.022×10^23

No of atoms = 1.2044×10^24 atoms

Thanks dear...