This is a single replacement reaction
        
             
        
        
        
Answer:
1.68 M
Explanation:
Molar mass (KNO3)= 101.1 g/mol
89g KNO3* 1mol/101.1 g = 89/101.1 mol
(89/101.1 mol)/0.525 L= 1.68 mol/L = 1.68 M
 
        
                    
             
        
        
        
Answer:
it's a day I think so ........
 
        
                    
             
        
        
        
Answer:
A
Explanation:
because number of particle = moles × 6.02 × 10^23
which gives the answer as an A