Question

D. Calculate the number of atom in each
of the following (Given : Atomic mass
of I = 127 u).
a. 254 u of iodine (I)
b. 254 g of iodine (I)
CA
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Answer 1

Answer:

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Answer 2

Answer:

a. 2 atoms in 254 u in iodine(l)

Explanation:

a. 1 = 127 u

so, 127 u= 1

1 u = 1/127

254 u = 254/127

= 2 atoms