2) amine is the correct answer 
        
             
        
        
        
Answer:
The mechanism for the formation of hexamethylenetetraamine predicts the formation of aminomethanol from the addition of ammonia to formaldehyde. This molecule subsequently undergoes unimolecular decomposition to form methanimine and water.
Explanation:
Brainliest please?
 
        
             
        
        
        
The correct answer is E. 50 grams
The solubility of Ammonium Chloride has an increasing trend as the temperature increases. Experiments show that the solubility at 323K is approximately 50.4 grams per 100 grams o water thus this value is close to choice D, 50 grams
 
        
                    
             
        
        
        
<span>a.the nearest 1 ml
1 mL is much more precise than 100 mL because 1 mL is a very small and precise unit of measurement</span>