Calculate the mass fraction of potassium in the K3PO4 molecule.
| December 26, 2020 | education
Add the masses of each element according to the periodic table. Those. it turns out: 39 + 39 + 39 + 31 + 16 + 16 + 16 + 16 = 212;
M (K3PO4) = 212 g / mol
w (K) = 117/212 = 0.5519 or 55.19%
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