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d = m/v
d = 160 g / 20.35 cm³
d = 7.86 g/cm³
-¿Cual es la masa de 40 cm3 de etanol si su densidad es de 0,79g/cm3 ?
d = m/v
m = d x v
m = 0.79 g/cm³ x 40 cm³
m = 31.6 g de etanol