Question

the average mass of an atom of uranium is 3.9 × 10^-25 kg . find the number of atoms in 1 g of uranium.​

Answer 1

Answer:

Explanation:

Hey there!

Given,

Mass of one atom of uranium = 3.9 * 10^-25 kg = 3.9 * 10^-22 g

[ 1 kg = 1000 g]

Number of atoms in 1  g of uranium = 1 / 3.9*10^-22 = 2.56 * 10^21

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