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Rudy Cain
Chemistry
1 June, 06:23
How many total atoms are in 0.380 g of P2O5
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Larson
1 June, 06:43
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The gram formula mass of P2O5 is 31*2 + 16*5 = 142. The mole number of P2O5 is 0.380/142=0.00268 mol. There is 7 atom in one P2O5 molecule. And there is 6.02 * 10^23 molecule per mol. So the answer is 1.13*10^22 atoms.
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