4. Calcula el volum en el Sl que tindran 2 kg de
poliestirè. Densitat = 920 kg/m3.
poliestirè. Densitat = 920 kg/m3.
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Verified answer
Respuesta:
densidad = masa/volumen
volumen = masa/densidad
= 2 / 920
= 0,0022 m^3