Assertion :23 g of sodium has $6.022 \times 10^{23}$ atoms sodium. Reason: Number of atoms in the given mass of sodium cannot be determined

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

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Assertion is correct but Reason is incorrect.

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Both Assertion and Reason are incorrect.

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Solution

The correct option is C Assertion is correct but Reason is incorrect.
Assertion
moles = $\frac{23}{23} = 1$ moles
$1$ mole = $6.023 \times 10^{23}$ atoms correct
Reason
Not correct (because calculation is possible)

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Assertion :23 g of sodium has 6.022×1023 atoms sodium. Reason: Number of atoms in the given mass of sodium cannot be determined

The correct option is C Assertion is correct but Reason is incorrect.Assertionmoles = 2323=1 moles1 mole = 6.023×1023 atoms correctReasonNot correct (because calculation is possible)

Assertion :23 g of sodium has $6.022 \times 10^{23}$ atoms sodium. Reason: Number of atoms in the given mass of sodium cannot be determined

The correct option is C Assertion is correct but Reason is incorrect.
Assertion
moles = $\frac{23}{23} = 1$ moles
$1$ mole = $6.023 \times 10^{23}$ atoms correct
Reason
Not correct (because calculation is possible)