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Calculate the number of moles for 12.044...

Calculate the number of moles for `12.044 xx 10^(23)` number of He atoms (finding mole from number of particles) .

Text Solution

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No. of moles = n
Given mass = m
Molar mass = M
Given number of particles = N
Avagadro number of particles = `N_(0)`
We know ,
1 mole = `6.022 xx 10^(23)`
The number of moles = `("given number of particles")/("Avogadro number")`
`implies n = (N)/(N_(0)) = (12.044 xx 10^(23))/(6.022 xx 10^(23)) = 2`
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