Mathematics
Mathematics, 11.10.2019 06:30, edginutystudent

Alab technician wants to make 50ml of a 20% alcohol solution. she has solutions that are 30% and 15% alcohol. how much of each must she use?

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Alab technician wants to make 50ml of a 20% alcohol solution. she has solutions that are 30% and 15%...

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