Question

Calculate no. of atoms in 1.6g of nitrogen

Answer 1

Answer:

Ans.2) Number of molecule = No.of moles x Av

Number of molecule = 1.6 x 6.023 x 10²³

Number of molecule = 9.6368 x 10²³

Number of Atom = Number of molecule x Atomicity

Number of atom = 9.6368 x 10²³ x 1

Number of Atom = 9.6368 x 10²³.

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Answer 2

Answer:

28 gm represent 1 mole

so,

28 gm contains 1avogadro no of molecules of nitrogen

then the no of molecules present in 1.6 gm of nitrogen will be X

means if I explain in equation then,

NA represents 1 avogadro no then

28/NA=1.6/X

X=0.05NA

then no of atoms will be 2×0.05 atoms