Calculate the number of atoms in $0.5$ mol of an atom of nitrogen?

6.022 \times 10^{23}

atoms

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12.044 \times 10^{23}

atoms

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3.011 \times 10^{23}

atoms

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None of these

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Solution

The correct option is D $3.011 \times 10^{23}$ atoms
$1$ mole of nitrogen contains $= 6.022 \times 10^{23}$ atom
$∴$ $0.5$ mole of nitrogen contains $= (0.5 \times 6.022 \times 10^{23})$
$= 3.011 \times 10^{23} a t o m s$
hence the correct option is $^{'} c^{'}$

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Calculate the number of atoms in 0.5 mol of an atom of nitrogen?

The correct option is D 3.011×1023 atoms1 mole of nitrogen contains =6.022×1023 atom ∴ 0.5 mole of nitrogen contains =(0.5×6.022×1023)=3.011×1023atomshence the correct option is ′c′

Calculate the number of atoms in $0.5$ mol of an atom of nitrogen?

The correct option is D $3.011 \times 10^{23}$ atoms
$1$ mole of nitrogen contains $= 6.022 \times 10^{23}$ atom
$∴$ $0.5$ mole of nitrogen contains $= (0.5 \times 6.022 \times 10^{23})$
$= 3.011 \times 10^{23} a t o m s$
hence the correct option is $^{'} c^{'}$