Question

Calculate number of molecules in 5 moles of hydrogen gas

Answer 1

Answer:

5 mole of H2 contains =0. 5×6. 022×1023=3.

Explanation:

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Answer 2

Answer:

From Avogadro's law, 1 mole of any compound contains 6.022×10

23

molecules

∴ 1 mole of H

2

contains 6.022×10

23

molecules of H

2

∴ 0.5 mole of H

2

contains =0.5×6.022×10

23

=3.011×10

23

molecules