Interpretation:
The number of oxygen atoms in 5.0 mol of O2 molecule needs to be determined.
Concept introduction:
In 1 mol of any substance, there are
Answer to Problem 4PP
The number of O atoms is
Explanation of Solution
Given information:
The number of moles of O2 molecule is 5.0 mol.
Calculation:
To calculate the number of O atoms, first calculate the number of moles of O
Since oxygen molecule is diatomic, 1 mol of O2 molecules contains 2 mol of O atoms. Thus, the number of moles of O atom in 5.0 mol of O2 will be 10 mol.
The number of moles can be converted into number of units using the following conversion factor:
Thus, in 10 mol, the number of O atoms can be calculated as follows:
Putting the values,
Thus, in 5 mol of O2, there are
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