How many molecules and atoms of sulphur are present in 0.1 mole of S8 molecules?

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Solution

1 mole of S₈molecules = 6. 022x10²³molecules

0.1 mole of S₈ molecules = 6. 022x10²³ x 0.1 = 6.022 x 10²² molecules

One molecule of S₈ contains 8 atoms of Sulphur

Therefore 6.022x10²² molecules of S₈contain =6.022 x 10²² x 8 = 4.816 x 10²³atoms.

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How many molecules and atoms of sulphur are present in 0.1 mole of S8 molecules?

1 mole of S8 molecules = 6. 022x1023molecules 0.1 mole of S8 molecules = 6. 022x1023 x 0.1 = 6.022 x 1022 molecules One molecule of S8 contains 8 atoms of Sulphur Therefore 6.022x1022 molecules of S8contain =6.022 x 1022 x 8 = 4.816 x 1023atoms.

1 mole of S₈molecules = 6. 022x10²³molecules

0.1 mole of S₈ molecules = 6. 022x10²³ x 0.1 = 6.022 x 10²² molecules

One molecule of S₈ contains 8 atoms of Sulphur

Therefore 6.022x10²² molecules of S₈contain =6.022 x 10²² x 8 = 4.816 x 10²³atoms.