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Advocard [28]
2 years ago
7

5. Wskaż liczbę protonów w atomie glinu?​

Chemistry
1 answer:
Scrat [10]2 years ago
3 0

Answer:

write english bro

Explanation:

pls i cant understand

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Dmitrij [34]
It is going to be D hope this helps
8 0
3 years ago
How many moles of MgCl2 are there in 319 g of the compound?
Leokris [45]

Hey there!:

Molar mass MgCl2 = 95.2110 g/mol

So:

1 mole MgCl2 -------------- 95.2110 g

moles MgCl2 ---------------- 319 g

moles MgCl2 = 319 * 1 / 95.2110

moles MgCl2 = 319 / 95.2110

=> 3.350 moles of MgCl2


Hope that helps!

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What vitamin is produced by a mammalian skin?
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An element has a half-life of 30 years. if 1.0 mg of this element decays over a period of 90 years, how many mg of this element
labwork [276]

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144.6

Explanation:

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All of the following are true except foreshocks can happen before an earthquake aftershocks can happen after an earthquake fores
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