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Mathematics, 21.06.2020 05:57, eloyjrcruz101
You need a 55% alcohol solution. On hand, you have a 525 mL of a 45% alcohol mixture. You also have 90% alcohol mixture. How much of the 90% mixture will you need to add to obtain the desired solution? You will need mL of the 90% solution to obtain mL of the desired 55% solution.
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You need a 55% alcohol solution. On hand, you have a 525 mL of a 45% alcohol mixture. You also have...
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