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06-04-2013, 06:53 AM
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 Help me having a chemistry problem(?)
You've 9l of x, 21l of y, and you want 15l of x/15l of y. Every litre you strain drops you 0.3l of 0.7l of b and x. You end up getting 15l of b, if you strain 8.57 (6/0.7) litres of solution. Today complete the answer with 8.57l of x.
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