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By Avagadro no. we find the mass of an atom and it's value is 6.022×10 ratio 22.
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mole is given and we have to find mass then we have to first find out the molar mass of that element then we have to put it in the formula which is
n = m /M
here n = number of moles

m = given mass
M = molar mass .....
i hope it helps.........
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