124g of P4 Will Contain Which of the Following
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124g of P4 Will Contain Which of the Following:

(1) 4 Atoms os Phosphorus (2) 4NA Atoms of Phosphorus
(3) NA Molecules of Phosphorus (4) 1 Molecule of Phosphorus

(A) 1 and 4

(B) 2 and 3

(C) 1 and 3

(D) 2 and 4

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Best Answer

The correct option of this question is B.

Solution : Molecular mass of P4 = 4 × 31 = 124 amu.

So, 124 g of P4 contains 1 mole of P4 = NA molecules of Phosphorus.

1 mole of P4 contains 4NAA atoms of P (Phosphorus).

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