December 2021 1 44 Report
alcatueste formule din ioni de metale ( vezi tebelul nr.2 din Anexe ) si ionii : a) OH^- b) NO3^- c) SO4 ^2- d) CO3^2- e) PO4^3-
Dau ​Coroana​
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Exercitiile 6, 7, 11 si 12. Nu inteleg chimia absolut deloc si am ff multe teme de terminat :,)

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