Water, <span>rusts a nail faster</span>
        
             
        
        
        
How to calcutate concentration of solution.
there is 12gram of solute in a 36 gram solution 
then you take 12 divided by 24 because 36-12=24 which is youe solvent
        
                    
             
        
        
        
I need a a picture or the question
        
             
        
        
        
Answer:
0.3758moles
Explanation:
moles of kcl = mass of kcl/ molar mass of kcl = 28/74.5 = 0.3758moles