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

User Dostrander
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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
User Redskull
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