Question

calculate the no. of particles in 8g of nitrogen molecules.

Answer 1

molecular mass of O2=32u
no.of molecules in O2 molecules=8/32×6.022×10^31.055×10^23

Answer 2

hey genius
here is your answer

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N2
$= 14 \times 2 = 28g \\ 1mole = 28g = 6.02 + \times {10}^{23} partice \\ 1g = \frac{6.02 \times {10}^{23} }{28 } \\ 8g = \frac{6.02 \times {10}^{23} \times 8 }{28} \\ = 1.75 \times {10}^{23}$
may This helps you