Question

Calculate the number of atom of 254 of iodine.

Answer 1

Answer:

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Answer 2

Answer:

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.

Explanation:

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