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Question

A sample of Vitamin C is known to contain 2.58×1024 oxygen atoms. How many moles of oxygen atoms are present in the sample?


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Solution

Step 1: Given data:

As, 1 mole of a substance = 6.022×1023(Avogadro number)

No, of Oxygen atoms present in Vitamin C: 2.58×1024

Step 2: To find the number of moles of Oxygen atom in the sample:

Thenumberofmoles=GivennumberofparticlesAvogadroNumber

ThenumberofmolesofOxygenatom=2.58×10246.022×1023

n=4.28mol

Therefore, 4.28moles of the Oxygen atom are present in the sample.


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