Question:medium

Number of atoms of He in 100 amu of He (atomic wt. of He is 4) are:

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To find the number of atoms, divide the mass of the sample by the atomic mass and multiply by Avogadro's number.
Updated On: Mar 25, 2026
  • 25
  • 100
  • 50
  • \( 10^6 \times 10^{-23} \)
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The Correct Option is A

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