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Mathematics, 27.10.2020 20:00 azibur3191
You need a 40% alcohol solution. On hand, you have a 350 mL of a 15% 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
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You need a 40% alcohol solution. On hand, you have a 350 mL of a 15% alcohol mixture. You also have...
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