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Arada [10]
3 years ago
13

cuantos electrones se necesitan para formar una carga -38uC sabiendo que la carga de un solo electrón es -1.6×10-19 C???​

Chemistry
1 answer:
Over [174]3 years ago
4 0
No te entiendo corazón......
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How many atoms are in 45.22 moles of strontium​
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Answer:

272.31× 10²³ atom of strontium

Explanation:

Given data:

Number of moles of strontium = 45.22 mol

Number of atoms = ?

Solution:

The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.  The number 6.022 × 10²³ is called Avogadro number.

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272.31× 10²³ atom

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