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vindhya Grade: 12
        
no. of atoms in 88gm of CO2 ?
2 years ago

Answers : (11)

Avinash
askIITians Faculty
1246 Points
										No. of moles = wt/GMwt =88/44 = 2

No. of atoms or moleules = 2 x Avagadro no. =2 mol x 6.022 x 1023mol-1=12.044 x 1023mol-1
2 years ago
vindhya
50 Points
										
thanks a lot. But will the no. of atoms and no.of molecules be same ?
Please let me know, sir.
2 years ago
Avinash
askIITians Faculty
1246 Points
										Yes,no. of atoms and no.of molecules be same since it contains avagadro no of molecules or avagadro no of atoms that mutliplied with no. of moles. so the count will be equal
										
2 years ago
vindhya
50 Points
										
thanks sir
2 years ago
Prajwal Kavad
603 Points
										
there are 2 moles of CO2 so it has 2times avagadro number of molecules and each molecule has 3 atoms therefore there are total 6xNatoms in 88 grams of CO2
 
plz approve if u r satisfied
2 years ago
Prajwal Kavad
603 Points
										
the answer by @avinash is wrong  plz check it sir
2 years ago
vindhya
50 Points
										
prajwal kavad, can you please explain me how one molecule has 2 atoms.
i'll be really thankful.
And also tell me how Avinash sir is wrong?
thanks
2 years ago
Avinash
askIITians Faculty
1246 Points
										Above ans is for monoatom
Vindhya plz check the correct one

No. of moles = wt/GMwt =88/44 = 2

No. of moleules = 2 x Avagadro no. = 2 mol x 6.022 x 1023mol-1 = 12.044 x 1023


No. of atoms = (1 carbon atom + 2 oxygen atoms) x total no. of molecules
=3 x12.044 x 1023= 36.132 x1023
2 years ago
vindhya
50 Points
										
 
thanks a lot to prajwal kavad  for correction and of course Avinash sir  
for a good explanation.
2 years ago
Prajwal Kavad
603 Points
										
one molecule has 3 atoms since there is 1C(carbon) atom and 2O(oxygen) atoms
2 years ago
vindhya
50 Points
										
ok
2 years ago
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