Chemistry
Chemistry, 15.12.2020 16:20, Lollipop1287

Nicu prepară în laborator 600 g de soluție de sodă caustică cu o concentrație de 24% prin amestecarea unei soluții de sodă caustică de concentrație 28% cu o soluție de sodă caustică 20%. a) Determinați masele celor două soluții. b) Din greșeală, Nicu a adăugat în soluția preparată anterior 10 g de sodă caustică.Calculați concentrația soluției obținute în final.

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Nicu prepară în laborator 600 g de soluție de sodă caustică cu o concentrație de 24% prin amestecare...

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