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Bounthy
@Bounthy
May 2019
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Bonsoir j'aurais besoin d'aide pour cet exercice de maths ( masse volumique):
La masse volumique de l'uranium est de 18700 kg/m3.
Quelle est la masse de 25cm3 d'uranium.
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ficanas06
Verified answer
1 m3 = 1 000 000 cm3
18 700 kg = 18 700 000 g
masse volumique de l'uranium: 18 700 000 / 1 000 000 = 18.7 g/cm3
donc masse de 25 cm3 = 18.7 * 25 =
467.5 g
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Bounthy
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Verified answer
1 m3 = 1 000 000 cm318 700 kg = 18 700 000 g
masse volumique de l'uranium: 18 700 000 / 1 000 000 = 18.7 g/cm3
donc masse de 25 cm3 = 18.7 * 25 = 467.5 g