3 years ago

What does an aluminum atom become when it loses its three valence electrons? a?

1 answer:

6 0

Aluminum atomic number 13 becomes Neon with an atomic number of 10 when it loses three valence electrons.

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seraphim [82]

Answer: The mass of sodium chloride solution present is 0.256 grams.

Explanation:

We are given:

39.0 % of sodium in sodium chloride solution

This means that 39.0 grams of sodium is present in 100 grams of sodium chloride solution

Mass of sodium given = 100 mg = 0.1 g (Conversion factor: 1 g = 1000 mg)

Applying unitary method:

If 39 grams of sodium metal is present in 100 grams of sodium chloride solution

So, if 0.1 grams of sodium metal will be present in = $\frac{100}{39}\times 0.1=0.256g$ of sodium chloride solution.

Hence, the mass of sodium chloride solution present is 0.256 grams.

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The reactants are aluminum and iron nitrate.

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Ksenya-84 [330]

Actually, it is true

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