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yanalaym [24]
4 years ago
12

How many particles are there in 3 moles of Fe

Chemistry
1 answer:
Amanda [17]4 years ago
5 0

1.81 x 10²⁴particles of Fe

Explanation:

Given parameters:

Number of moles = 3moles

Unknown:

Number of particles = ?

Solution:

The number of particles in a substance can be deduced from the relationship of number of moles with the Avogadro's number.

A mole of a substance is the quantity of substance that contains the Avogadro's number of particles.

     1 mole = 6.02 x 10²³ particles

     3 moles = 3 x 6.02 x 10²³ = 1.81 x 10²⁴particles of Fe

learn more:

Number of moles brainly.com/question/1841136

#learnwithBrainly

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Assign Oxidation Number:

                                L.H.S                               R.H.S
           N in HNO</span>₃  =  +5                                     +2  =  N in NO
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Write Half cell Reactions:
Reduction Reaction:
                                 
3e⁻  +   HNO₃   →   NO      -------(1)
Oxidation Reaction:
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Multiply eq. 1 with 2 and eq. 2 with 3 to balance electrons. 

                                          6e⁻  +   2 HNO₃   →   2 NO
                                    
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                                 ______________________________
                               
                             2 HNO₃  +  3 H₂S   →   2 NO  +  3 S  +  H₂O

Balance Oxygen Atoms by multiplying H₂O with 4, Hydrogen atoms will automatically get balance.

                            2 HNO₃  +  3 H₂S   →   2 NO  +  3 S  +  4H₂O


                                
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Svet_ta [14]

Answer:

The number of neutrons present in one atom of isotope of Silicon of mass 28 amu is<u> 14 neutrons</u>

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