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  • A sample of vitamic C is known to contain 2.58 \times10^{24} oxygen atoms. How many moles of oxygen atoms are present in the sample?

A sample of vitamic C is known to contain 2.58 \times10^{24}oxygen atoms. How many moles of oxygen atoms are present in the sample?

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Answer:

1 mole of oxygen atoms = 6.023 \times 10^{23} atoms
∴ Number of moles of oxygen atoms =\frac{2.58\times 10^{24}}{6.023\times 10^{23}}
=4.28moles

 

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