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20. Intext problems: Calculation based on number of moles from mass and volume II

1. Calculate the number of moles of a sample that contains \(12.046\times10^{23}\) atoms of iron.

Data:

Given number of atoms of iron \(=12.046\times10^{23}\)

Avogadro's number \(=\) \(6.023\times10^{X}\)

X \(=\)

Formula:

The formula to find number of moles is,

Solution:

Number of moles \(=\) moles

Hence, the number of moles of a sample that contains \(12.046\times10^{23}\) atoms of iron \(=\) \(moles\)

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