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Chemistry, 12.03.2021 05:40 armando87

Of you have 90 ml of water mixed with 10 ml of pollutant the concentratiom of the pollutant is a 1:1 b 1:10 c 20:500 d 1:1000.

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Of you have 90 ml of water mixed with 10 ml of pollutant the concentratiom of the pollutant is a 1:1...
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