Mathematics, 27.05.2021 15:30, whiplash40

How many liters of the 20% acidic solution should be added to create the needed 30% acidity in the final mixture? 0.5 liters 30 liters 80 liters 37 liters

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How many liters of the 20% acidic solution should be added to create the needed 30% acidity in the f...