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Mathy11
@Mathy11
May 2019
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Bonjour j'aurais encore besoin d'une petite aide svp
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winner123
Verified answer
Bonjour
1.99 x 10 ⁻²⁶ x 6.022 x 10 ²³ = 1198.378 x 10 ⁻³ kg = 1.198378 kg
= 1198 g
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nadiab
Verified answer
La mass de carbone =
1.99 x 10 ⁻²⁶ kg
et une mole d’atomes contient environ 6,02214040×10²³
atomes
1 kg = 1000 g
6,022 x 10²³ x 1,99 x 10⁻²⁶
1.99 x 10 ⁻²⁶ x 6.022 x 10 ²³ = 1.198 378 x 10 ⁻³ kg
Cette masse est d'environ 12 grammes
0 votes
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Bonjour, j'aurais besoin d'aide svp merci
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Verified answer
Bonjour1.99 x 10 ⁻²⁶ x 6.022 x 10 ²³ = 1198.378 x 10 ⁻³ kg = 1.198378 kg
= 1198 g
Verified answer
La mass de carbone = 1.99 x 10 ⁻²⁶ kget une mole d’atomes contient environ 6,02214040×10²³ atomes
1 kg = 1000 g
6,022 x 10²³ x 1,99 x 10⁻²⁶
1.99 x 10 ⁻²⁶ x 6.022 x 10 ²³ = 1.198 378 x 10 ⁻³ kg
Cette masse est d'environ 12 grammes