A sample of vitamin c is known to contain 2.58*10^22 oxygen atoms . How many moles of oxygen atom are present in the sample?
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the given no. of oxygen atom=2.56*10^22
no. of oxygen in 1 mole = 6.022*10^23
no. of mole=given 2.56*10^22
--------------- = ------------------
Avogadro no. 6.022*10^23
no. of moles of oxygen= 0.0428moles
no. of oxygen in 1 mole = 6.022*10^23
no. of mole=given 2.56*10^22
--------------- = ------------------
Avogadro no. 6.022*10^23
no. of moles of oxygen= 0.0428moles
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