SOLUTION: pharmacist has 600ml of solution that is 50 % active ingredient. how much pure water should be added to the solution to get a solution that is 30% active ingredient
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Question 1036638: pharmacist has 600ml of solution that is 50 % active ingredient. how much pure water should be added to the solution to get a solution that is 30% active ingredient Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! pharmacist has 600ml of solution that is 50 % active ingredient. how much pure water should be added to the solution to get a solution that is 30% active ingredient
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Add W ml of water
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600*50 + W*0 = (600 + W)*30
Solve for W
