0.01772288- Calculators do come in handy for this haha
        
                    
             
        
        
        
Answer:   It is important to wet the filter paper in the Buchner funnel first with cold re crystallization solvent before the re crystallization mixture being filtered to minimize gaps around the edges of the filter paper which can prevent mechanical impurities from passing through. This gives better filtration where most impurities can be filtered. Furthermore, it provides good vacuum. 
 
        
             
        
        
        
Answer:
it is the app for homework not for nonsense things.
do good be good and see good and think good