Mathematics, 17.04.2020 23:06 trenrain

You need a 30% alcohol solution. On hand, you have a 50 mL of a 20% alcohol mixture. You also have 35% alcohol mixture. How much of the 35% mixture will you need to add to obtain the desired solution?

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You need a 30% alcohol solution. On hand, you have a 50 mL of a 20% alcohol mixture. You also have 3...