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Maksim231197 [3]
3 years ago
11

Helppppppp meeeeeeeeeeeee

Chemistry
2 answers:
Vilka [71]3 years ago
8 0
C yea I hope I’m right
Vadim26 [7]3 years ago
4 0

Answer:

Explanation:

. . . .

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Let us calculate the structure of the electric shells of the Al atom. It has an atomic number of 13, so it has 13 electrons. The first 2 go to the first hell. The next 8 need to go to the second shell and the last 3 ones would go to the outermost shell. The outer shell, that is the most important one for chemical reactions, has thus 3 electrons. An atom always tries to have a completed outer shell (with either 2 or 8 atoms). It is easier for a cell to have a charge of +3 than a charge of -5 (smaller absolute value) and thus the Aluminum atom will try to get rid of the 3 electrons. In this process, it loses negative charge thus it will become positively charged. Hence, the correct answer is that it will prefer to lose 3 electrons and become positively charged.
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Where can I get a oxygen isotope analysis comercialy
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Explanation:

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Which of the following is correct for adsorption theory of Heterogeneous catalysis? Statement-I : This theory explains why the c
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3 0
2 years ago
When 8.0 grams of sodium hydroxide is dissolved in sufficient water to make 400. mL of solution, what is the concentration of th
nata0808 [166]

Answer:

The concentration of this sodiumhydroxide solutions is 0.50 M

Explanation:

Step 1: Data given

Mass of sodium hydroxide (NaOh) = 8.0 grams

Molar mass of sodium hydroxide = 40.0 g/mol

Volume water = 400 mL  = 0.400 L

Step 2: Calculate moles NaOH

Moles NaOH = mass NaOH / molar mass NaOH

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Moles NaOh = 0.20 moles

Step 3: Calculate concentration of the solution

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The concentration of this sodiumhydroxide solutions is 0.50 M

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3 years ago
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