Chemistry, 02.12.2020 17:00 naomichristiancn
Pentru prepararea propenei se trataeaza alcoolul izopropilic, la cald cu 100g solutie de acid sulfuric 98%.Raportul de masa intre cantitatea initiala de apa si cea finala este de 1:28.Cantitatea de izopropanol supusa deshidratarii si concentratia acidului sulfuric la sfarsitul reactiei sunt: A:180g, 60% B:180g, 63,63% C:360g, 63,63% D:180kg, 63,63% E:173,33g, 63,63% Raspuns corect:B
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Chemistry, 23.06.2019 05:20, cjking2320
Explain how global warming could have affected yellowstone frog and salamander habitat's, resulting in changes in the populations of these species
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Pentru prepararea propenei se trataeaza alcoolul izopropilic, la cald cu 100g solutie de acid sulfur...
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