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A 200 mL solution of sugar water has a sugar concentration of 40%. How many mL of pure water must be added to the solution to reduce the concentration to 10%?
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Explanation & Answer
if 200ml= 40%
?=10%
this will give us (40x200)/10
= 800ml
the number of ml to be added will be
(800-200)ml= 600ml of pure water should be added.
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