1.

Calculate the no. of moles in 6 x 10^21 NH3, 5 x 10^21 C-atoms and 6.023x10^11 N-atoms.

Answer»

no. MOLES of NH3= (6×10^21)/(6×10^23)

=10^-2 or 0.01


no. moles of C = (5×10^21)/(6×10^23)

= 0.83×10^-2


no. of moles of N= (6.023×10^11)/ (6.023×10^23)

= 10^-12



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