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Chemistry, 25.11.2020 14:00 mcclendoncassandra

Se amestecă 120 g sare grunjoasă cu apă. Rezultă un amestec eterogen care se filtrează. Știind că pe hârtia de filtru rămân 20 g substanțe insolubile în apă determină puritatea sării grunjoase.

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Se amestecă 120 g sare grunjoasă cu apă. Rezultă un amestec eterogen care se filtrează. Știind că pe...

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