Acid evaporation

How many kilograms of water do we have to evaporate from 100 kg of 32% acid to make it 80% concentration?

Correct answer:

m =  60 kg

Step-by-step explanation:


0.80•(100-m) = 0.32•100

0.8m = 48

m = 60

Our simple equation calculator calculates it.



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