Mathematics, 13.02.2022 06:40 starswarsfan
You need 30% alcohol solution. On hand, you need a 390 mL of a 10% alcohol mixture. You also have 60% alcohol mixture. How much of the 60% percent mixture will you need to add to obtain the desired solution? You will need mL of the 60% solution.
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You need 30% alcohol solution. On hand, you need a 390 mL of a 10% alcohol mixture. You also have 60...
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