Problema Solution
A saline solution contains 3% salt. How much water should be addea to 100
milliliters of this solution to dilute it to a 2% solution.
Answer provided by our tutors
solution 3%---------------- 100 water 0%---------------- x Total 2%---------------- 100+x ... 3*100+0 *x=2(100 +x) 300=200+ 2x -2x=200 -300 -2x=-100 /-2 x=50 milliliter