16-11-2016
Chemistry

contestada

How many molecules are there in 122 grams of Cu(NO3)2?

Respuesta :

ofelia27 ofelia27

17-11-2016

cu=1*63g=63g
n=2*14g=28g
o=6*16g=96g
total=187g/mol
122(1 mol/187)(6.02*10^23)= 3.92*10^23

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