Number of atom in $3.96$ gm phosgene gas is:-

6.02 \times 10^{22}

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2.408 \times 10^{22}

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9.632 \times 10^{22}

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2.408 \times 10^{23}

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Solution

The correct option is A $9.632 \times 10^{22}$
Phosgene is a gas at room temperature, but is sometimes stored as a liquid under pressure, with formula $C O C l_{2}$

Molecular weight of phosgene gas = $99$

No. of moles $= \frac{3.96}{99} = 0.04$

Number of atoms $= 3 \times 0.04 \times 6.02 \times 10^{23} = 9.632 \times 10^{22}$

Option C is correct

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Number of atom in 3.96 gm phosgene gas is:-

The correct option is A 9.632×1022Phosgene is a gas at room temperature, but is sometimes stored as a liquid under pressure, with formula COCl2Molecular weight of phosgene gas = 99No. of moles =3.9699=0.04Number of atoms =3×0.04×6.02×1023=9.632×1022Option C is correct

Number of atom in $3.96$ gm phosgene gas is:-