Mathematics, 21.09.2021 08:40 Cinders13

You need 400 mL of a 70% alcohol solution. On hand, you have a 50% alcohol mixture. How much of the 50% alcohol mixture and pure alcohol will you need to obtain the desired solution?

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You need 400 mL of a 70% alcohol solution. On hand, you have a 50% alcohol mixture. How much of the...

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