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soldier1979 [14.2K]
3 years ago
7

What are the 4 properties of the atom?

Chemistry
1 answer:
Delvig [45]3 years ago
6 0

Answer:

Typical sizes of atom and nucleus.

Most of atom's mass is in the nucleus.

Constituents: protons, neutrons, electrons.

Electric force holds atom together.

Explanation:

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What is the mass of 2.40 moles of magnesium chloride, mgcl2
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Hey there!

MgCl₂

Find molar mass of magnesium chloride.

Mg: 1 x 24.305

Cl: 2 x 35.453

--------------------  

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One mole of magnesium chloride has a mass of 95.211 grams.

We have 2.40 moles.

2.40 x 95.211 = 228.5

To 3 sig figs this is 229.

The mass of 2.40 moles of magnesium chloride is 229 grams.

Hope this helps!

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Answer:

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