faridamahmoud1d faridamahmoud1d
  • 15-11-2020
  • Chemistry
contestada

Example (1)
Calculate the no. of carbon dioxide molecules in
3moles of carbon dioxide CO2(C=12,0=16)
Solution:-​

Respuesta :

ardni313
ardni313 ardni313
  • 16-11-2020

Number of molecules : 1.806 x 10²⁴

Further explanation

A mole is a number of particles(atoms, molecules, ions)  in a substance

This refers to the atomic total of the 12 gr C-12  which is equal to 6.02.10²³, so 1 mole = 6.02.10²³ particles  

Can be formulated :

N = n x No

N = number of particles

n = mol

No = 6.02.10²³ = Avogadro's number

3 mol CO₂ :

molecules ⇒

[tex]\tt 3\times 6..02\times 10^{23}=1.806\times 10^{24}[/tex]

Answer Link

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