
a)



b)


Using the atomic mass given in the periodic table:




c)


Using the atomic mass given in the periodic table:




This result is an aproximation.
 
        
             
        
        
        
2.0 MOL is the correct answer I believe
 
        
             
        
        
        
Answer:
products and reaction
Explanation:
Products
1. FeSO4 and Cu
2. ZnSO4 and Fe
3. CaCl2 and H2
Reactions
1.    Fe + CuSO4 → FeSO4 + Cu
2.   FeSO4 + Zn → ZnSO4 + Fe
3.   2HCl + Ca → CaCl2 + H2
 
        
             
        
        
        
Yes a liquid can change into a volume based on the amount of whatever liquid