Chemistry, asked by dk1800239, 9 days ago

Calculate the number of atoms in a)140g N2 b) 140u N2

Answers

Answered by woodelf

0

Explanation:

a) 140/28=no of moles

5mole molecules

no of atoms=atomicity*no of moles*avogadro number

=2*5*6.022*10²³

=6.022*10^24 atoms

b)140u/14u =10 atoms

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