Respuesta :
					                   1 mL of water is 1 gram. 
So, the mass percent of alcohol is the rest: (250-180) / 250 = 28%
					                
					             So, the mass percent of alcohol is the rest: (250-180) / 250 = 28%
Answer:
1 mL of water is 1 gram.
the mass percent of alcohol: (250-180) / 250 = 28%
Explanation:
 
			                   
					                  