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lisov135 [29]
3 years ago
7

Please help me with these asap!

Chemistry
1 answer:
Oksanka [162]3 years ago
8 0

Answer: okay this should get you started

Explanation:

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<span>Avogadro's number. 

1 mole of any substance, molecule or element is equal to a certain amount of atom. 

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34.69 moles of MgO has 208.9 x 10^23 number of atoms. 

2.089 x 10^25 is also a correct answer.</span><span>
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