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vfiekz [6]
4 years ago
11

Chlorine (Cl) forms a salt when it is combined with a metal. This element belongs in _____.

Chemistry
1 answer:
ella [17]4 years ago
8 0

Chlorine (Cl) forms a salt when it is combined with a metal. This element belongs in halogens. GROUP 17


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You have 0.21 moles of Al how many atoms do you have
ZanzabumX [31]

Number of atoms : 1.26 x 10²³

<h3>Further explanation  </h3>

The mole is the number of particles(molecules, atoms, ions) contained in a substance  

1 mol = 6.02.10²³ particles

Can be formulated

N=n x No

N = number of particles

n = mol

No = Avogadro's = 6.02.10²³

0.21 moles of Al, so n = 0.21

Number of atoms :

\tt N=0.21\times 6.02\times 10^{23}\\\\N=1.26\times 10^{23}

8 0
3 years ago
A sample of sulfur hexafluoride gas occupies a volume of 9.10 L at 198ÁC. Assuming that the pressure remains constant, what temp
alexandr1967 [171]
  As we know that
<span>V1/T1 = V2/T2 
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hope it helps</span>
5 0
4 years ago
Read 2 more answers
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Natalka [10]

Answer:

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4 0
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DochEvi [55]

Answer:

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Explanation:

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