Chemistry, 14.07.2020 19:01 brisamauro27
Sabiendo que a 20 °C, 0,275 moles de una sustancia desconocida cuya densidad
es 0,924 g/cm3 ocupan un volumen de 45,9 cm3
, calcular:
a) la masa molar de la sustancia;
b) el número de moléculas presentes en 120 cm3
;
c) la masa, expresada en gramos, de una molécula de dicha sustancia.
Answers: 1
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Sabiendo que a 20 °C, 0,275 moles de una sustancia desconocida cuya densidad
es 0,924 g/cm3 ocupan...
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