Acid evaporation

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

Final Answer:

m =  60 kg

Step-by-step explanation:


0.80·(100-m) = 0.32·100

0.8m = 48


m = 48/0.8 = 60

m = 60

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algebrabasic operations and conceptsUnits of physical quantitiesthemes, topicsGrade of the word problem

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