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How many atoms are there in 0.25 mole of hydrogen?
Number of moles of H2 = 0.25 moles
Number of molecules = moles × Avogadro’s Number
Number of molecules = 0.25 × (6.022 × 1023)
Number of molecules = 1.505 × 1023
A single molecule of hydrogen contains two H-atoms.
So, the number of atoms = 2 × (1.505×1023 )
= 3.01×1023
Updated on: 10-Oct-2022
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