Chemistry, 05.05.2020 09:23, abbyhoward9302

(FESP) O volume de álcool etílico que devemos misturar com 80cm3 de água destilada para obtermos uma solução alcoólica de densidade 0,93 g/cm3 é (despreze a contração de volume que acompanha a mistura de álcool com água): (Dados: d H2O = 1 g/cm3 ; dC2H2OH = 0,79 g/cm3) a) 4cm3 . B) 40cm3 . C) 60cm3 . d) 70cm3 . E) 65 cm3

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(FESP) O volume de álcool etílico que devemos misturar com 80cm3 de água destilada para obtermos uma...