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Nesterboy [21]
3 years ago
7

Members of which group easily lose an electron to form a +1 cation? halogens alkaline earth metals noble gases alkali metals

Chemistry
2 answers:
sp2606 [1]3 years ago
7 0

I think the correct answer from the choices listed above is option D. Members of the alkali metals easily lose an electron to form a +1 cation. The halogens represents element like F, Cl which easily gain an electron. Alkaline earth metals represents element like Mg, Ca which easily lose two electrons.

Kryger [21]3 years ago
5 0

Answer:

D. Members of the alkali metals easily lose an electron to form a +1 cation. The halogens represents element like F, Cl which easily gain an electron. Alkaline earth metals represents element like Mg, Ca which easily lose two electrons.

Explanation:

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A solution contains 0.140 mol KCl in 2.100 L water. What is the concentration of KCl in g/L?
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<h3><u>Answer</u>;</h3>

≈ 4.95 g/L

<h3><u>Explanation;</u></h3>

The molar mass of KCl = 74.5 g/mole

Therefore; 0.140 moles will be equivalent to ;

 = 0.140 moles × 74.5 g/mole

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   = mass in g/volume in L

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   =  4.9667

<h3>   <u> ≈ 4.95 g/L</u></h3>
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What conversion factor does a balanced chemical equation give you?
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4 years ago
Butanoic acid + 2 propanol
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Explanation:

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3. How many molecules are in 2.10 moles of H2O?
AnnZ [28]

Answer:

<h2>1.264 × 10²⁴ molecules</h2>

Explanation:

The number of molecules can be found by using the formula

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From the question we have

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We have the final answer as

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