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Alex17521 [72]
3 years ago
12

What is the mass percent of chlorine in chlorine flouride if 5.753g of chlorine and 9.248g of fluorine combine to create chorine

flouride?
Chemistry
2 answers:
Delicious77 [7]3 years ago
6 0

Answer:

4.254g

Explanation:

Zanzabum3 years ago
4 0
4.254g that’s the answer to this question have a great day
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Now they feel it is best to have you identify an unknown gas based on its properties. Suppose 0.508 g of a gas occupies a volume
pishuonlain [190]

Answer: Option (b) is the correct answer.

Explanation:

The given data is as follows.

             mass = 0.508 g,               Volume = 0.175 L

             Temperature = (25 + 273) K = 298 K,       P = 1 atm

As per the ideal gas law, PV = nRT.

where,  n = no. of moles = \frac{mass}{\text{molar mass}}

Hence, putting all the given values into the ideal gas equation as follows.

               PV = \frac{mass}{\text{molar mass}} \times RT            

           1 atm \times 0.175 L = \frac{0.508 g}{\text{molar mass}} \times 0.0821 L atm/ K mol \times 298 K  

                            = 71.02 g

As the molar mass of a chlorine atom is 35.4 g/mol and it exists as a gas. So, molar mass of Cl_{2} is 70.8 g/mol or 71 g/mol (approx).

Thus, we can conclude that the gas is most likely chlorine.

4 0
3 years ago
Which phase change is exothermic?
DerKrebs [107]
Freezing, condensation, Deposition.
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3 years ago
Find the atomicity of water.​
Flauer [41]
One molecule of water contains two atoms of hydrogen and one atom of oxygen, the atomicity of water is three.
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Which of the following processes does not facilitate containment?
Marta_Voda [28]

Enrichment of uranium-235 is done. Hence, option A is correct.

<h3>What is the meaning of containment?</h3>

The act, process, or means of keeping something within limits the containment of health costs.

Enrichment is a process of increasing the proportion of fissile isotope found in uranium ore (represented by the symbol 'U') to make it usable as nuclear fuel or the compressed, explosive core of nuclear weapons.

Hence, option A is correct.

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