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abr
24
2013
Calcule a molaridade das seguintes soluções:
a) 0,5 gramas de cloreto de potássio (KCl) e dissolvido para fazer 0,5 mL de solução. b) 734 gramas de sulfato de lítio (Li2SO4) são dissolvidos para fazer 2.500 mL de solução. c) 49,8 gramas...
abr
24
2013
Molaridade das Soluções _ Quimica
Calcule a molaridade das seguintes soluções: a) 0,5 gramas de cloreto de potássio (KCl) e dissolvido para fazer 0,5 mL de solução. b) 734 gramas de sulfato de lítio (Li2SO4) são dissolvidos para...
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