Answer: There are four atoms
Explanation:  mass of Cl atom is 35.45 amu
Amount of atoms n = m/M = 142  / 35.45 = 4 
 
        
             
        
        
        
Glucose is a simple sugar with the molecular formula C6H12O6. It is a carbohydrate.
        
                    
             
        
        
        
Answer:
0.9 moles of water
Explanation:
Use mole ratios: 
5 : 6 
divide by 5 on both sides 
1 : 1.2 
multiply by 0.75 on both sides 
0.75 : 0.9 
So the result is 0.9 moles of water 
(Please correct me if I'm wrong)
 
        
             
        
        
        
I  can think of 2 off the top of my head first is friction and second is gravity