<PRE><B>Question 859008</B>
	Percent	----------------			quantity							
Hcl I	15.00%	----------------			x	ml						
Hcl II	8.00%	------	100	-	x	ml						
Mixture	12.20%	----------------	100									
Total	100		ml									
15.00%	x	+	8.00%	(	100	-	x	)	=	12.20%	*	100
15	x	+	8	(	100	-	x	)	=	1220		
15	x	+	800	-	8	x	=			1220		
15	x	-	8	x			=	1220	-	-800		
7	x			=	420							
/	7											
	x			=	60		ml			15.00%		Hcl I
					40		ml			8.00%		Hcl II
												
m.ananth@hotmail.ca												
</PRE>