Question

calculate the number of atoms for 1.6 gram of sulphur​

Answer 1

Answer:

Given : Molar Mass of N = 14, S =32

To find, : Number of atoms

Sol : Ans.1) Number of molecules = No. of moles x Av

Number of molecule = 0.4 x 6.023 x 10²³

Number of molecule = 2.4092 x 10²³m

Number of atom = Number of molecule x Atomicity

Number of atom = 2.4092 x 10²³ x 1

Number of Atom = 2.4092 x 10²³

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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