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Mathematics, 13.09.2021 08:30 Werkrat2756

You need a 70% alcohol solution. On hand, you have a 90 mL of a 5% alcohol mixture. You also have 85% alcohol mixture. How much of the 85% mixture will you need to add to obtain the desired solution?

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You need a 70% alcohol solution. On hand, you have a 90 mL of a 5% alcohol mixture. You also have 85...

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