India Languages, asked by siddhimorge, 8 months ago

520gm of Helium
contains...........atoms

Answers

Answered by yamini99999

1

Answer:

Now 1 mole of He atom = 6.023 X 1023 atoms of He. Therefore 13 moles of He atom = 13 X 6.023 X 1023 atoms of He = 7.823 X 1024 atoms of He

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