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vovangra [49]
3 years ago
14

The number of particles of 0.2 mole​

Chemistry
1 answer:
strojnjashka [21]3 years ago
3 0

Answer:

There are 1.205x10²³ particles in 0.2 moles.

Explanation:

In order to <u>convert from moles to number of particles</u> we need to use <em>Avogadro's number</em>, which states the number of particles contained in 1 mol:

  • 0.2 mol * 6.023x10²³ particles /mol = 1.205x10²³ particles

Thus, there are 1.205x10²³ particles in 0.2 moles.

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The Development and Characterization of Carbon Nanofiber/Polylactic Acid Filament for Additively Manufactured Piezoresistive Sen
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5 0
1 year ago
A medication 60 mg is ordered. the vial is labeled 1 gm/ 10 ml. How many ml would you give?
timofeeve [1]
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4 0
3 years ago
Why is NH3 soluble in H20 but NCl3 is not?
storchak [24]
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4 0
3 years ago
The absorbance of an equilibrium mixture containing FeSCN2 was measured at 447 nm and found to be 0.347. What is the equilibrium
Ksenya-84 [330]

Answer:

The concentration is C = 1.11 mol/L

Explanation:

From the question we are told that

     The absorbance is  A = 0.347

       The length is  l =  447 nm  =  447 *10^{-7} \ cm

     

Generally absorbance is mathematically represented as

        A =  \epsilon*  C * l

where \epsilon is the molar absorptivity of  FeSCN2  with a value \epsilon  =  7.0*10^3 L/cm/mol

 and  C is the equilibrium concentration of FeSCN2

So  

       C = \frac{A}{\epsilon *  l  }

substituting values

        C = \frac{0.347}{7.0*10^{3} *  447 *10^{-7}  }

         C = 1.11 mol/L

5 0
3 years ago
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