How many molecules are in 15.3 moles of cu(no3)2

What do you mean by that? like the contents? the thc level?

Ithink that the use of creativity in the sciences entails that one produce something out of nothing or from another thing. with this, i think that the he wrote down his results as four parts of the atomic theory is the manifestation of the  creativity of john dalton.

They make up examples of physical properties 

Ithink it's the third answer