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Suppose that a chemist is mixing 2 acid solutions, one of 15% concentration and the other of 25% concentration. which of the following combinations cannot be combined? Is it 17%, 20%, 23% or 29%?


Sagot :

Assuming you have enough quantities, you could get anything ranging from 15% to 25%. That is, 29% is out of range!

Answer:

23%

Step-by-step explanation: