SOLUTION: How many liters of pure baking soda must be added to 200 liters of a 30% baking soda solution to get a 60% baking soda solution?

Question 583841: How many liters of pure baking soda must be added to 200 liters of a 30% baking soda solution to get a 60% baking soda solution?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = liters of pure baking soda needed
liters of baking soda in 30% solution
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150 liters of pure baking soda are needed
check:

OK
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