When K2Cr2O7 is cooled from 80oC to 20oC, how much solute will precipitate out of the solution?

Where is the following?

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.

That is a lot of moles that you have

Heat of fusion= heat/mass  heat of fusion = 12.03kj/36 g= 0.3342 kj/g or 334.2 j/g