one atom of an element x weight 6.643×10,^-23g. number of moles of atom in 20kg is
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6.643×10^-23 ×20
13. 2 86×10^-22
krishna887419:
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❒ Given Mass is 20kg and Weight of an element is
⠀⠀⠀⠀⠀━━━━━━━━━━━━━━━━━━━━━⠀⠀
Converting 20kg into grams.
⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀
Now,
⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀
- Here, GAM is Gram atomic mass and is Avogadro Number constant.
⠀⠀⠀⠀⠀
Therefore,
⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀━━━━━━━━━━━━━━━━━━━━━⠀⠀
⠀
❒ Now, total number of Moles:
⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀
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