Mathematics, 27.01.2020 08:31 gizmo50245
You need 70% alcohol solution. on hand, you have a 100 ml of a 65% alcohol mixture. you also have 80% alcohol mixture. how much of the 80% mixture will you need to add to obtain the desired solution?
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You need 70% alcohol solution. on hand, you have a 100 ml of a 65% alcohol mixture. you also have 80...
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