Question 1109169
48% is not water, at the start.
60% would be not water , at the end.


{{{(0.48*500)/(500-x)=0.6}}}, for removing x mL of water.

-

{{{0.48*500=0.6(500-x)}}}

{{{0.48*500/0.6=-x+500}}}

{{{400=-x+500}}}

{{{x=500-400}}}

{{{x=100}}}