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Calculate number of moles for 12.04 5 into 10 raised to 23 number of Helium atom

Answer»

Hi
let's TAKE 1 mol as 6.02 * 10^23.
so,
12.04*10^23 is approx two mol.
1 mol of helium= 4g.
therefore 2 mol of helium is 8g
we have two mol of helium which is 8g.
bye



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