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Chemistry
Lea
25 September, 14:46
How many total atoms are in. 900 of P2O5
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Aimee Stevens
25 September, 16:59
0
Given:
0.920 g of P2O5
Required:
Total atoms
Solution:
The molar mass of P2O5 is 284 grams per mole.
0.920 grams / 284 grams per mole of P2O5 = 3.24 x 10^-3 mole
P2O5
Using Avogadro's law where 1 mole of substance equals
6.023 x 10^23 atoms
3.24 x 10^-3 mole P2O5 (6.023 x 10^23 atoms/mole) = 1.95
x 10^21 atoms P2O5
Hopefully this is correct
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