Question

heya !!!

solve this ----------

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Answer 1

1gm of N
it's exist in N2
so no of molecules is NA *1/28
& atom is just *2
thanks

Answer 2

Mass of nitrogen = 1 gram
atomic mass = 14
then,
molar mass = 1/14
= 0.0714

(a) no. of molecules
= 6.023 × 10^23 x No. of moles of nitrogen
= 6.023 x 10^23 x 0.0174
= 1.048002 ×10^23

(b) no. of atoms present in1 g of nitrogen
= 1× no. of molecules
=1× 1.048002 ×10^23

hope it's help u