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katrin [286]
3 years ago
6

Pure acid is to be added to a 10% acid solution to obtain 72 L of a 20% acid solution.

Mathematics
1 answer:
Crank3 years ago
8 0

Answer:

36

Step-by-step explanation:

because 10 is 1/2 of 20 and 72/2 = 36

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